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-  <meta content="0be37095b482527d4ef81e499e29ddeebf38ec03" name="document-revision">
+  <meta content="22dce6bfde70930eb2d490be39a6de63839f97f9" name="document-revision">
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@@ -911,7 +911,7 @@
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    <p data-fill-with="logo"><a class="logo" href="https://www.w3.org/"> <img alt="W3C" height="48" src="https://www.w3.org/StyleSheets/TR/2021/logos/W3C" width="72"> </a> </p>
    <h1 class="p-name no-ref" id="title">Generic Sensor API</h1>
-   <p id="w3c-state"><a href="https://www.w3.org/standards/types#ED">Editor’s Draft</a>, <time class="dt-updated" datetime="2023-10-26">26 October 2023</time></p>
+   <p id="w3c-state"><a href="https://www.w3.org/standards/types#ED">Editor’s Draft</a>, <time class="dt-updated" datetime="2023-11-22">22 November 2023</time></p>
    <details open>
     <summary>More details about this document</summary>
     <div data-fill-with="spec-metadata">
@@ -937,7 +937,7 @@ <h1 class="p-name no-ref" id="title">Generic Sensor API</h1>
     </div>
    </details>
    <div data-fill-with="warning"></div>
-   <p class="copyright" data-fill-with="copyright"><a href="https://www.w3.org/Consortium/Legal/ipr-notice#Copyright">Copyright</a> © 2023 <a href="https://www.w3.org/">World Wide Web Consortium</a>. <abbr title="World Wide Web Consortium">W3C</abbr><sup>®</sup> <a href="https://www.w3.org/Consortium/Legal/ipr-notice#Legal_Disclaimer">liability</a>, <a href="https://www.w3.org/Consortium/Legal/ipr-notice#W3C_Trademarks">trademark</a> and <a href="https://www.w3.org/Consortium/Legal/copyright-software" rel="license" title="W3C Software and Document License">permissive document license</a> rules apply. </p>
+   <p class="copyright" data-fill-with="copyright"><a href="https://www.w3.org/policies/#copyright">Copyright</a> © 2023 <a href="https://www.w3.org/">World Wide Web Consortium</a>. <abbr title="World Wide Web Consortium">W3C</abbr><sup>®</sup> <a href="https://www.w3.org/policies/#Legal_Disclaimer">liability</a>, <a href="https://www.w3.org/policies/#W3C_Trademarks">trademark</a> and <a href="https://www.w3.org/copyright/software-license/" rel="license" title="W3C Software and Document License">permissive document license</a> rules apply. </p>
    <hr title="Separator for header">
   </div>
   <div class="p-summary" data-fill-with="abstract">
@@ -967,7 +967,7 @@ <h2 class="no-num no-toc no-ref heading settled" id="sotd"><span class="content"
 	W3C maintains a <a href="https://www.w3.org/groups/wg/das/ipr" rel="disclosure">public list of any patent disclosures</a> made in connection with the deliverables of the group;
 	that page also includes instructions for disclosing a patent.
 	An individual who has actual knowledge of a patent which the individual believes contains <a href="https://www.w3.org/Consortium/Patent-Policy-20200915/#def-essential">Essential Claim(s)</a> must disclose the information in accordance with <a href="https://www.w3.org/Consortium/Patent-Policy-20200915/#sec-Disclosure">section 6 of the W3C Patent Policy</a>. </p>
-   <p> This document is governed by the <a href="https://www.w3.org/2023/Process-20230612/" id="w3c_process_revision">12 June 2023 W3C Process Document</a>. </p>
+   <p> This document is governed by the <a href="https://www.w3.org/2023/Process-20231103/" id="w3c_process_revision">03 November 2023 W3C Process Document</a>. </p>
    <p></p>
    <p>Further implementation experience is being gathered for the <a data-link-type="dfn" href="https://wicg.github.io/permissions-request/#permission-request-algorithm" id="ref-for-permission-request-algorithm">permission request algorithm</a> and specification clarifications
 informed by this experience are being discussed in <a href="https://github.com/w3c/sensors/issues/397">GitHub issue #397</a>.
@@ -1608,6 +1608,8 @@ <h3 class="heading settled" data-level="6.1" id="model-sensor-type"><span class=
     <li data-md>
      <p>A <dfn class="dfn-paneled" data-dfn-type="dfn" data-export id="reading-quantization-algorithm">reading quantization algorithm</dfn>, which takes a <a data-link-type="dfn" href="#sensor-reading" id="ref-for-sensor-reading③④">sensor reading</a> and returns a
 less accurate <a data-link-type="dfn" href="#sensor-reading" id="ref-for-sensor-reading③⑤">sensor reading</a>.</p>
+    <li data-md>
+     <p>A <a data-link-type="dfn" href="#virtual-sensor-type" id="ref-for-virtual-sensor-type">virtual sensor type</a>.</p>
    </ul>
    <h3 class="heading settled" data-level="6.2" id="model-sensor"><span class="secno">6.2. </span><span class="content">Sensor</span><a class="self-link" href="#model-sensor"></a></h3>
    <p>The current <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#browsing-context" id="ref-for-browsing-context①">browsing context</a>'s <a data-link-type="dfn" href="#concept-platform-sensor" id="ref-for-concept-platform-sensor②⓪">platform sensor</a> must have:</p>
@@ -2054,14 +2056,16 @@ <h3 class="heading settled dfn-paneled" data-dfn-type="dfn" data-export data-lev
       <p>Let <var>platformSensor</var> be null.</p>
      <li data-md>
       <p>Let <var>type</var> be <var>sensor</var>’s associated <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type③①">sensor type</a>.</p>
+     <li data-md>
+      <p>Let <var>virtualSensorType</var> be <var>sensor</var>’s associated <a data-link-type="dfn" href="#virtual-sensor-type" id="ref-for-virtual-sensor-type①">virtual sensor type</a>, or null if it is not set.</p>
      <li data-md>
       <p>Let <var>topLevelTraversable</var> be <var>global</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/nav-history-apis.html#window-navigable" id="ref-for-window-navigable">navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-top" id="ref-for-nav-top">top-level
   traversable</a>.</p>
      <li data-md>
-      <p>If <var>topLevelTraversable</var>’s <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping">virtual sensor mapping</a> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists①">contains</a> <var>type</var>:</p>
+      <p>If <var>virtualSensorType</var> is not null and <var>topLevelTraversable</var>’s <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping">virtual sensor mapping</a> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists①">contains</a> <var>virtualSensorType</var>:</p>
       <ol>
        <li data-md>
-        <p>Let <var>virtualSensor</var> be <var>topLevelTraversable</var>’s <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping①">virtual sensor mapping</a>[<var>type</var>].</p>
+        <p>Let <var>virtualSensor</var> be <var>topLevelTraversable</var>’s <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping①">virtual sensor mapping</a>[<var>virtualSensorType</var>].</p>
        <li data-md>
         <p>If <var>virtualSensor</var>’s <a data-link-type="dfn" href="#virtual-sensor-can-provide-readings-flag" id="ref-for-virtual-sensor-can-provide-readings-flag">can provide readings flag</a> is true, set <var>platformSensor</var> to a <a data-link-type="dfn" href="#concept-platform-sensor" id="ref-for-concept-platform-sensor③④">platform sensor</a> corresponding to <var>virtualSensor</var>.</p>
         <p class="note" role="note"><span class="marker">Note:</span> If the <a data-link-type="dfn" href="#virtual-sensor-can-provide-readings-flag" id="ref-for-virtual-sensor-can-provide-readings-flag①">can provide readings flag</a> is false, <var>platformSensor</var> will
@@ -2499,16 +2503,11 @@ <h3 class="heading settled" data-level="9.1" id="virtual-sensors"><span class="s
      <p>A <dfn class="dfn-paneled" data-dfn-for="virtual sensor" data-dfn-type="dfn" data-noexport id="virtual-sensor-maximum-sampling-frequency">maximum sampling frequency</dfn> (a number). A <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor⑦">virtual sensor</a> is a <a data-link-type="dfn" href="#concept-device-sensor" id="ref-for-concept-device-sensor④⑥">device sensor</a>, so this corresponds to the <a data-link-type="dfn" href="#concept-device-sensor" id="ref-for-concept-device-sensor④⑦">device sensor</a>'s <a data-link-type="dfn" href="#device-sensor-maximum-sampling-frequency" id="ref-for-device-sensor-maximum-sampling-frequency④">maximum sampling
 frequency</a>.</p>
    </ul>
-   <p>The <dfn class="dfn-paneled" data-dfn-type="dfn" data-export id="per-type-virtual-sensor-metadata">per-type virtual sensor metadata</dfn> is an <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#ordered-map" id="ref-for-ordered-map⑥">ordered map</a> of <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#string" id="ref-for-string">strings</a> to <a data-link-type="dfn" href="#virtual-sensor-metadata" id="ref-for-virtual-sensor-metadata">virtual sensor metadata</a>. It is initially empty, and <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification⑦">extension specifications</a> should
-define one or more entries in the <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#ordered-map" id="ref-for-ordered-map⑦">map</a> corresponding to the sensor types they define.</p>
+   <p>A <dfn class="dfn-paneled" data-dfn-type="dfn" data-export id="virtual-sensor-type">virtual sensor type</dfn> is a string that represents a sensor of a given type.</p>
+   <p>The <dfn class="dfn-paneled" data-dfn-type="dfn" data-export id="per-type-virtual-sensor-metadata">per-type virtual sensor metadata</dfn> is an <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#ordered-map" id="ref-for-ordered-map⑥">ordered map</a> of <a data-link-type="dfn" href="#virtual-sensor-type" id="ref-for-virtual-sensor-type②">virtual sensor
+types</a> to <a data-link-type="dfn" href="#virtual-sensor-metadata" id="ref-for-virtual-sensor-metadata">virtual sensor metadata</a>. It is initially empty, and <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification⑦">extension specifications</a> should define one or more entries in the <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#ordered-map" id="ref-for-ordered-map⑦">map</a> corresponding to the sensor types they define.</p>
    <p>A <dfn class="dfn-paneled" data-dfn-type="dfn" data-export id="virtual-sensor-metadata">virtual sensor metadata</dfn> is a <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#struct" id="ref-for-struct">struct</a> whose <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#struct-item" id="ref-for-struct-item">items</a> are:</p>
    <ul>
-    <li data-md>
-     <dl>
-      <dt data-md><dfn class="dfn-paneled" data-dfn-for="virtual sensor metadata" data-dfn-type="dfn" data-export id="virtual-sensor-metadata-virtual-sensor-type">virtual sensor type</dfn>
-      <dd data-md>
-       <p>A <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type③⑤">sensor type</a>.</p>
-     </dl>
     <li data-md>
      <dl>
       <dt data-md><dfn class="dfn-paneled" data-dfn-for="virtual sensor metadata" data-dfn-type="dfn" data-export id="virtual-sensor-metadata-reading-parsing-algorithm">reading parsing algorithm</dfn>
@@ -2516,9 +2515,12 @@ <h3 class="heading settled" data-level="9.1" id="virtual-sensors"><span class="s
        <p>An algorithm that takes a JSON <code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/fundamental-objects.html#sec-object-objects" id="ref-for-sec-object-objects">Object</a></code> and returns a <a data-link-type="dfn" href="#sensor-reading" id="ref-for-sensor-reading⑤②">sensor reading</a> or <strong>undefined</strong>.</p>
      </dl>
    </ul>
-   <p>Each <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#top-level-traversable" id="ref-for-top-level-traversable">top-level traversable</a> has a <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="virtual-sensor-mapping">virtual sensor mapping</dfn>, which is an <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#ordered-map" id="ref-for-ordered-map⑧">ordered map</a> of <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type③⑥">sensor type</a> to <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor⑧">virtual sensor</a>.</p>
-   <p class="note" role="note"><span class="marker">Note:</span> <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping②">Virtual sensor mappings</a> are tied to <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#top-level-traversable" id="ref-for-top-level-traversable①">top-level traversables</a> rather than any <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable">navigable</a> because <a data-link-type="dfn" href="#concept-platform-sensor" id="ref-for-concept-platform-sensor④⑧">platform sensors</a> with a given <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type③⑦">sensor type</a> in all <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable①">navigables</a> with
-the same <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-top" id="ref-for-nav-top①">top-level traversable</a> are supposed to connect to the same <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor⑨">virtual sensor</a>.
+   <p>Each <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#top-level-traversable" id="ref-for-top-level-traversable">top-level traversable</a> has a <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="virtual-sensor-mapping">virtual sensor mapping</dfn>, which is an <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#ordered-map" id="ref-for-ordered-map⑧">ordered map</a> of <a data-link-type="dfn" href="#virtual-sensor-type" id="ref-for-virtual-sensor-type③">virtual sensor types</a> to <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor⑧">virtual sensor</a>.</p>
+   <p class="note" role="note"><span class="marker">Note:</span> The <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping②">virtual sensor mapping</a> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#struct" id="ref-for-struct①">struct</a> contains data that is common to
+all virtual sensors of a given type. A <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor⑨">virtual sensor</a> contains data that
+can vary on virtual sensor creation and utilization.</p>
+   <p class="note" role="note"><span class="marker">Note:</span> <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping③">Virtual sensor mappings</a> are tied to <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#top-level-traversable" id="ref-for-top-level-traversable①">top-level traversables</a> rather than any <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable">navigable</a> because <a data-link-type="dfn" href="#concept-platform-sensor" id="ref-for-concept-platform-sensor④⑧">platform sensors</a> with a given <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type③⑤">sensor type</a> in all <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable①">navigables</a> with
+the same <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-top" id="ref-for-nav-top①">top-level traversable</a> are supposed to connect to the same <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①⓪">virtual sensor</a>.
 This better mimics real-world behavior, where the same hardware (or fusion) sensor provides readings
 to different <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable②">navigables</a>.</p>
    <p class="note" role="note"><span class="marker">Note:</span> This behavior additionally aids testing of this specification through <a href="https://web-platform-tests.org">web-platform-tests</a>, as <a href="https://web-platform-tests.org/writing-tests/testdriver.html#using-test-driver-in-other-browsing-contexts">all
@@ -2534,11 +2536,11 @@ <h4 class="heading settled" data-level="9.2.1" id="create-virtual-sensor-command
       <td>POST
       <td>/session/{session id}/sensor
    </table>
-   <p>This <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-extension-commands" id="ref-for-dfn-extension-commands①">extension command</a> creates a new <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①⓪">virtual sensor</a> of a certain <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type③⑧">sensor type</a>. Calls to <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor③③">Sensor</a></code>.<code class="idl"><a data-link-type="idl" href="#dom-sensor-start" id="ref-for-dom-sensor-start①">start()</a></code> from <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor③④">Sensor</a></code> instances of the same <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type③⑨">sensor type</a> will cause this <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①①">virtual sensor</a> to be used as their backing <a data-link-type="dfn" href="#concept-device-sensor" id="ref-for-concept-device-sensor④⑧">device sensor</a> until <a href="#delete-virtual-sensor-command">§ 9.2.4 Delete virtual sensor</a> is run.</p>
+   <p>This <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-extension-commands" id="ref-for-dfn-extension-commands①">extension command</a> creates a new <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①①">virtual sensor</a> of a certain <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type③⑥">sensor type</a>. Calls to <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor③③">Sensor</a></code>.<code class="idl"><a data-link-type="idl" href="#dom-sensor-start" id="ref-for-dom-sensor-start①">start()</a></code> from <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor③④">Sensor</a></code> instances of the same <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type③⑦">sensor type</a> will cause this <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①②">virtual sensor</a> to be used as their backing <a data-link-type="dfn" href="#concept-device-sensor" id="ref-for-concept-device-sensor④⑧">device sensor</a> until <a href="#delete-virtual-sensor-command">§ 9.2.4 Delete virtual sensor</a> is run.</p>
    <p class="note" role="note"><span class="marker">Note:</span> The way this <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-extension-commands" id="ref-for-dfn-extension-commands②">extension command</a> works allows <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor③⑤">Sensor</a></code> instances of the same type to
 coexist and have different <a data-link-type="dfn" href="#concept-device-sensor" id="ref-for-concept-device-sensor④⑨">device sensors</a>. A <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor③⑥">Sensor</a></code> <code>sensor</code> may have been created and
 connected to a real, hardware sensor before this <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-extension-commands" id="ref-for-dfn-extension-commands③">extension command</a> is invoked. It continues to
-work and receive readings from it, and only receives readings from a <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①②">virtual sensor</a> if <a data-link-type="dfn" href="#connect-to-sensor" id="ref-for-connect-to-sensor①">connect
+work and receive readings from it, and only receives readings from a <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①③">virtual sensor</a> if <a data-link-type="dfn" href="#connect-to-sensor" id="ref-for-connect-to-sensor①">connect
 to sensor</a> is invoked again.</p>
    <table class="data">
     <caption>Properties of the <code>parameters</code> argument used by this algorithm</caption>
@@ -2569,35 +2571,33 @@ <h4 class="heading settled" data-level="9.2.1" id="create-virtual-sensor-command
      The <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-remote-end-steps" id="ref-for-dfn-remote-end-steps">remote end steps</a> are: 
     <ol>
      <li data-md>
-      <p>Let <var>type</var> be the result of invoking <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-getting-properties" id="ref-for-dfn-getting-properties">get a property</a> "<code>type</code>" from <var>parameters</var>.</p>
+      <p>Let <var>virtualSensorType</var> be the result of invoking <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-getting-properties" id="ref-for-dfn-getting-properties">get a property</a> "<code>type</code>" from <var>parameters</var>.</p>
      <li data-md>
-      <p>If <var>type</var> is not a <code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects" id="ref-for-sec-string-objects①">String</a></code>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument">invalid
+      <p>If <var>virtualSensorType</var> is not a <code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects" id="ref-for-sec-string-objects①">String</a></code>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument">invalid
   argument</a>.</p>
      <li data-md>
-      <p>If <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata">per-type virtual sensor metadata</a> does not <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists③">contain</a> <var>type</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error①">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code①">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument①">invalid argument</a>.</p>
+      <p>If <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata">per-type virtual sensor metadata</a> does not <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists③">contain</a> <var>virtualSensorType</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error①">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code①">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument①">invalid argument</a>.</p>
      <li data-md>
-      <p>Let <var>sensorType</var> be <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata①">per-type virtual sensor metadata</a>[<var>type</var>]'s <a data-link-type="dfn" href="#virtual-sensor-metadata-virtual-sensor-type" id="ref-for-virtual-sensor-metadata-virtual-sensor-type">virtual sensor type</a>.</p>
+      <p>Let <var>topLevelVirtualSensorMapping</var> be the <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-current-browsing-context" id="ref-for-dfn-current-browsing-context">current browsing context</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#bc-traversable" id="ref-for-bc-traversable">top-level traversable</a>'s <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping④">virtual sensor mapping</a>.</p>
      <li data-md>
-      <p>Let <var>topLevelVirtualSensorMapping</var> be the <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-current-browsing-context" id="ref-for-dfn-current-browsing-context">current browsing context</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#bc-traversable" id="ref-for-bc-traversable">top-level traversable</a>'s <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping③">virtual sensor mapping</a>.</p>
-     <li data-md>
-      <p>If <var>topLevelVirtualSensorMapping</var> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists④">contains</a> <var>sensorType</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error②">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code②">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument②">invalid argument</a>.</p>
+      <p>If <var>topLevelVirtualSensorMapping</var> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists④">contains</a> <var>virtualSensorType</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error②">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code②">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument②">invalid argument</a>.</p>
      <li data-md>
       <p>Let <var>connected</var> be the result of invoking <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-getting-the-property-with-default" id="ref-for-dfn-getting-the-property-with-default">get a property with default</a> with
   "<code>connected</code>" and true from <var>parameters</var>.</p>
      <li data-md>
-      <p>Let <var>maxSamplingFrequency</var> be the result of <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-getting-the-property-with-default" id="ref-for-dfn-getting-the-property-with-default①">get a property with default</a> with
+      <p>Let <var>maxSamplingFrequency</var> be the result of invoking <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-getting-the-property-with-default" id="ref-for-dfn-getting-the-property-with-default①">get a property with default</a> with
   "<code>maxSamplingFrequency</code>" and an <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#implementation-defined" id="ref-for-implementation-defined⑨">implementation-defined</a> value from <var>parameters</var>.</p>
      <li data-md>
       <p>If <var>maxSamplingFrequency</var> is not a <code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number-objects" id="ref-for-sec-number-objects②">Number</a></code>, or its value is <strong>NaN</strong>, +∞, or −∞, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error③">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code③">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument③">invalid argument</a>.</p>
      <li data-md>
-      <p>Let <var>minSamplingFrequency</var> be the result of <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-getting-the-property-with-default" id="ref-for-dfn-getting-the-property-with-default②">get a property with default</a> with
+      <p>Let <var>minSamplingFrequency</var> be the result of invoking <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-getting-the-property-with-default" id="ref-for-dfn-getting-the-property-with-default②">get a property with default</a> with
   "<code>minSamplingFrequency</code>" and an <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#implementation-defined" id="ref-for-implementation-defined①⓪">implementation-defined</a> value from <var>parameters</var>.</p>
      <li data-md>
       <p>If <var>minSamplingFrequency</var> is not a <code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number-objects" id="ref-for-sec-number-objects③">Number</a></code>, or its value is <strong>NaN</strong>, +∞, or −∞, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error④">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code④">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument④">invalid argument</a>.</p>
      <li data-md>
       <p>If <var>minSamplingFrequency</var> is greater than <var>maxSamplingFrequency</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error⑤">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code⑤">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument⑤">invalid argument</a>.</p>
      <li data-md>
-      <p>Let <var>virtualSensor</var> be a new <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①③">virtual sensor</a>.</p>
+      <p>Let <var>virtualSensor</var> be a new <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①④">virtual sensor</a>.</p>
      <li data-md>
       <p>Set <var>virtualSensor</var>’s <a data-link-type="dfn" href="#virtual-sensor-can-provide-readings-flag" id="ref-for-virtual-sensor-can-provide-readings-flag②">can provide readings flag</a> to <var>connected</var>.</p>
      <li data-md>
@@ -2605,7 +2605,7 @@ <h4 class="heading settled" data-level="9.2.1" id="create-virtual-sensor-command
      <li data-md>
       <p>Set <var>virtualSensor</var>’s <a data-link-type="dfn" href="#virtual-sensor-maximum-sampling-frequency" id="ref-for-virtual-sensor-maximum-sampling-frequency①">maximum sampling frequency</a> to <var>maxSamplingFrequency</var>.</p>
      <li data-md>
-      <p>Set <var>topLevelVirtualSensorMapping</var>[<var>sensorType</var>] to <var>virtualSensor</var>.</p>
+      <p>Set <var>topLevelVirtualSensorMapping</var>[<var>virtualSensorType</var>] to <var>virtualSensor</var>.</p>
      <li data-md>
       <p>Return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-success" id="ref-for-dfn-success">success</a> with data <code>null</code>.</p>
     </ol>
@@ -2619,7 +2619,7 @@ <h4 class="heading settled" data-level="9.2.1" id="create-virtual-sensor-command
   <c- f>"minSamplingFrequency"</c-><c- p>:</c-> <c- mi>5</c->
 <c- p>}</c->
 </pre>
-    <p>Be aware that only one <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①④">virtual sensor</a> of a given <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④⓪">sensor type</a> can be created in a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#top-level-traversable" id="ref-for-top-level-traversable②">top-level traversable</a>, otherwise an <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument⑥">invalid argument</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code⑥">WebDriver error code</a> will be returned.</p>
+    <p>Be aware that only one <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①⑤">virtual sensor</a> of a given <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type③⑧">sensor type</a> can be created in a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#top-level-traversable" id="ref-for-top-level-traversable②">top-level traversable</a>, otherwise an <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument⑥">invalid argument</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code⑥">WebDriver error code</a> will be returned.</p>
    </div>
    <h4 class="heading settled" data-level="9.2.2" id="get-virtual-sensor-information-command"><span class="secno">9.2.2. </span><span class="content">Get virtual sensor information</span><a class="self-link" href="#get-virtual-sensor-information-command"></a></h4>
    <table class="def">
@@ -2631,7 +2631,7 @@ <h4 class="heading settled" data-level="9.2.2" id="get-virtual-sensor-informatio
       <td>GET
       <td>/session/{session id}/sensor/{type}
    </table>
-   <p>This <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-extension-commands" id="ref-for-dfn-extension-commands④">extension command</a> retrieves information about a given <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①⑤">virtual sensor</a> created by <a href="#create-virtual-sensor-command">§ 9.2.1 Create virtual sensor</a>.</p>
+   <p>This <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-extension-commands" id="ref-for-dfn-extension-commands④">extension command</a> retrieves information about a given <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①⑥">virtual sensor</a> created by <a href="#create-virtual-sensor-command">§ 9.2.1 Create virtual sensor</a>.</p>
    <p>When it returns <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-success" id="ref-for-dfn-success①">success</a>, <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-success" id="ref-for-dfn-success②">success</a>'s associated data is an <code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/fundamental-objects.html#sec-object-objects" id="ref-for-sec-object-objects①">Object</a></code> with the following
 properties:</p>
    <table class="data">
@@ -2644,26 +2644,22 @@ <h4 class="heading settled" data-level="9.2.2" id="get-virtual-sensor-informatio
      <tr>
       <td>"<code>requestedSamplingFrequency</code>"
       <td><code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number-objects" id="ref-for-sec-number-objects④">Number</a></code>
-      <td>The <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①⑥">virtual sensor</a>'s <a data-link-type="dfn" href="#sampling-frequency" id="ref-for-sampling-frequency①④">sampling frequency</a>
+      <td>The <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①⑦">virtual sensor</a>'s <a data-link-type="dfn" href="#sampling-frequency" id="ref-for-sampling-frequency①④">sampling frequency</a>
    </table>
    <p class="note" role="note"><span class="marker">Note:</span> See <a href="#concepts-sampling-and-reporting-frequencies">§ 5.4 Sampling Frequency and Reporting Frequency</a> for some constraints on <a data-link-type="dfn" href="#sampling-frequency" id="ref-for-sampling-frequency①⑤">sampling
 frequency</a> as well as the explanation about why a <a data-link-type="dfn" href="#virtual-sensor-requested-sampling-frequency" id="ref-for-virtual-sensor-requested-sampling-frequency③">requested sampling frequency</a> is an <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#implementation-defined" id="ref-for-implementation-defined①①">implementation-defined</a> value in <a href="#virtual-sensors">§ 9.1 Virtual Sensors</a>. In general, it is only safe to
-assume that the value lies within the bounds set by the <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①⑦">virtual sensor</a>'s <a data-link-type="dfn" href="#virtual-sensor-minimum-sampling-frequency" id="ref-for-virtual-sensor-minimum-sampling-frequency②">minimum sampling frequency</a> and <a data-link-type="dfn" href="#virtual-sensor-maximum-sampling-frequency" id="ref-for-virtual-sensor-maximum-sampling-frequency②">maximum sampling frequency</a>.</p>
+assume that the value lies within the bounds set by the <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①⑧">virtual sensor</a>'s <a data-link-type="dfn" href="#virtual-sensor-minimum-sampling-frequency" id="ref-for-virtual-sensor-minimum-sampling-frequency②">minimum sampling frequency</a> and <a data-link-type="dfn" href="#virtual-sensor-maximum-sampling-frequency" id="ref-for-virtual-sensor-maximum-sampling-frequency②">maximum sampling frequency</a>.</p>
    <div class="algorithm" data-algorithm="get virtual sensor information">
      The <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-remote-end-steps" id="ref-for-dfn-remote-end-steps①">remote end steps</a> are: 
     <ol>
      <li data-md>
-      <p>Let <var>type</var> be the value of the <code>type</code> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-url-variables" id="ref-for-dfn-url-variables">url variable</a>.</p>
-     <li data-md>
-      <p>If <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata②">per-type virtual sensor metadata</a> does not <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists⑤">contain</a> <var>type</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error⑥">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code⑦">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument⑦">invalid argument</a>.</p>
-     <li data-md>
-      <p>Let <var>sensorType</var> be <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata③">per-type virtual sensor metadata</a>[<var>type</var>]'s <a data-link-type="dfn" href="#virtual-sensor-metadata-virtual-sensor-type" id="ref-for-virtual-sensor-metadata-virtual-sensor-type①">virtual sensor type</a>.</p>
+      <p>Let <var>virtualSensorType</var> be the value of the <code>type</code> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-url-variables" id="ref-for-dfn-url-variables">url variable</a>.</p>
      <li data-md>
-      <p>Let <var>topLevelVirtualSensorMapping</var> be the <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-current-browsing-context" id="ref-for-dfn-current-browsing-context②">current browsing context</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#bc-traversable" id="ref-for-bc-traversable①">top-level traversable</a>'s <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping④">virtual sensor mapping</a>.</p>
+      <p>Let <var>topLevelVirtualSensorMapping</var> be the <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-current-browsing-context" id="ref-for-dfn-current-browsing-context②">current browsing context</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#bc-traversable" id="ref-for-bc-traversable①">top-level traversable</a>'s <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping⑤">virtual sensor mapping</a>.</p>
      <li data-md>
-      <p>If <var>topLevelVirtualSensorMapping</var> does not <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists⑥">contain</a> <var>sensorType</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error⑦">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code⑧">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument⑧">invalid argument</a>.</p>
+      <p>If <var>topLevelVirtualSensorMapping</var> does not <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists⑤">contain</a> <var>virtualSensorType</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error⑥">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code⑦">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument⑦">invalid argument</a>.</p>
      <li data-md>
-      <p>Let <var>virtualSensor</var> be <var>topLevelVirtualSensorMapping</var>[<var>sensorType</var>].</p>
+      <p>Let <var>virtualSensor</var> be <var>topLevelVirtualSensorMapping</var>[<var>virtualSensorType</var>].</p>
      <li data-md>
       <p>Let <var>info</var> be a new <code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/fundamental-objects.html#sec-object-objects" id="ref-for-sec-object-objects②">Object</a></code>.</p>
      <li data-md>
@@ -2683,8 +2679,8 @@ <h4 class="heading settled" data-level="9.2.3" id="update-virtual-sensor-reading
       <td>/session/{session id}/sensor/{type}
    </table>
    <p>This <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-extension-commands" id="ref-for-dfn-extension-commands⑤">extension command</a> makes a new <a data-link-type="dfn" href="#sensor-reading" id="ref-for-sensor-reading⑤③">sensor reading</a> available to <a data-link-type="dfn" href="#concept-platform-sensor" id="ref-for-concept-platform-sensor④⑨">platform sensors</a>.</p>
-   <p class="note" role="note"><span class="marker">Note:</span> A <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①⑧">virtual sensor</a> acts like a <a data-link-type="dfn" href="#concept-device-sensor" id="ref-for-concept-device-sensor⑤⓪">device sensor</a>, so the <a data-link-type="dfn" href="#sensor-reading" id="ref-for-sensor-reading⑤④">sensor reading</a> produced here
-still has to be processed by a <a data-link-type="dfn" href="#concept-platform-sensor" id="ref-for-concept-platform-sensor⑤⓪">platform sensor</a>, which might discard it due to, for example, a <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④①">sensor type</a>'s <a data-link-type="dfn" href="#threshold-check-algorithm" id="ref-for-threshold-check-algorithm⑤">threshold check algorithm</a> or <a data-link-type="dfn" href="#can-expose-sensor-readings" id="ref-for-can-expose-sensor-readings②">can expose sensor readings</a>'s result.</p>
+   <p class="note" role="note"><span class="marker">Note:</span> A <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①⑨">virtual sensor</a> acts like a <a data-link-type="dfn" href="#concept-device-sensor" id="ref-for-concept-device-sensor⑤⓪">device sensor</a>, so the <a data-link-type="dfn" href="#sensor-reading" id="ref-for-sensor-reading⑤④">sensor reading</a> produced here
+still has to be processed by a <a data-link-type="dfn" href="#concept-platform-sensor" id="ref-for-concept-platform-sensor⑤⓪">platform sensor</a>, which might discard it due to, for example, a <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type③⑨">sensor type</a>'s <a data-link-type="dfn" href="#threshold-check-algorithm" id="ref-for-threshold-check-algorithm⑤">threshold check algorithm</a> or <a data-link-type="dfn" href="#can-expose-sensor-readings" id="ref-for-can-expose-sensor-readings②">can expose sensor readings</a>'s result.</p>
    <table class="data">
     <caption>Properties of the <code>parameters</code> argument used by this algorithm</caption>
     <thead>
@@ -2704,27 +2700,25 @@ <h4 class="heading settled" data-level="9.2.3" id="update-virtual-sensor-reading
      <li data-md>
       <p>Let <var>reading</var> be the result of invoking <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-getting-properties" id="ref-for-dfn-getting-properties①">get a property</a> "<code>reading</code>" from <var>parameters</var>.</p>
      <li data-md>
-      <p>If <var>reading</var> is not an <code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/fundamental-objects.html#sec-object-objects" id="ref-for-sec-object-objects④">Object</a></code>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error⑧">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code⑨">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument⑨">invalid
+      <p>If <var>reading</var> is not an <code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/fundamental-objects.html#sec-object-objects" id="ref-for-sec-object-objects④">Object</a></code>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error⑦">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code⑧">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument⑧">invalid
   argument</a>.</p>
      <li data-md>
-      <p>Let <var>type</var> be the value of the <code>type</code> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-url-variables" id="ref-for-dfn-url-variables①">url variable</a>.</p>
+      <p>Let <var>virtualSensorType</var> be the value of the <code>type</code> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-url-variables" id="ref-for-dfn-url-variables①">url variable</a>.</p>
      <li data-md>
-      <p>If <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata④">per-type virtual sensor metadata</a> does not <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists⑦">contain</a> <var>type</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error⑨">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code①⓪">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument①⓪">invalid argument</a>.</p>
+      <p>If <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata①">per-type virtual sensor metadata</a> does not <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists⑥">contain</a> <var>virtualSensorType</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error⑧">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code⑨">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument⑨">invalid argument</a>.</p>
      <li data-md>
-      <p>Let <var>metadata</var> be <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata⑤">per-type virtual sensor metadata</a>[<var>type</var>].</p>
+      <p>Let <var>metadata</var> be <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata②">per-type virtual sensor metadata</a>[<var>virtualSensorType</var>].</p>
      <li data-md>
-      <p>Let <var>sensorType</var> be <var>metadata</var>’s <a data-link-type="dfn" href="#virtual-sensor-metadata-virtual-sensor-type" id="ref-for-virtual-sensor-metadata-virtual-sensor-type②">virtual sensor type</a>.</p>
+      <p>Let <var>topLevelVirtualSensorMapping</var> be the <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-current-browsing-context" id="ref-for-dfn-current-browsing-context③">current browsing context</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#bc-traversable" id="ref-for-bc-traversable②">top-level traversable</a>'s <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping⑥">virtual sensor mapping</a>.</p>
      <li data-md>
-      <p>Let <var>topLevelVirtualSensorMapping</var> be the <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-current-browsing-context" id="ref-for-dfn-current-browsing-context③">current browsing context</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#bc-traversable" id="ref-for-bc-traversable②">top-level traversable</a>'s <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping⑤">virtual sensor mapping</a>.</p>
+      <p>If <var>topLevelVirtualSensorMapping</var> does not <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists⑦">contain</a> <var>virtualSensorType</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error⑨">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code①⓪">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument①⓪">invalid argument</a>.</p>
      <li data-md>
-      <p>If <var>topLevelVirtualSensorMapping</var> does not <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists⑧">contain</a> <var>sensorType</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error①⓪">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code①①">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument①①">invalid argument</a>.</p>
-     <li data-md>
-      <p>Let <var>virtualSensor</var> be <var>topLevelVirtualSensorMapping</var>[<var>sensorType</var>].</p>
+      <p>Let <var>virtualSensor</var> be <var>topLevelVirtualSensorMapping</var>[<var>virtualSensorType</var>].</p>
      <li data-md>
       <p>Let <var>parsedReading</var> be the result of invoking <var>metadata</var>’s <a data-link-type="dfn" href="#virtual-sensor-metadata-reading-parsing-algorithm" id="ref-for-virtual-sensor-metadata-reading-parsing-algorithm">reading
   parsing algorithm</a> with <var>reading</var>.</p>
      <li data-md>
-      <p>If <var>parsedReading</var> is <strong>undefined</strong>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error①①">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code①②">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument①②">invalid argument</a>.</p>
+      <p>If <var>parsedReading</var> is <strong>undefined</strong>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error①⓪">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code①①">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument①①">invalid argument</a>.</p>
      <li data-md>
       <p>In an <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#implementation-defined" id="ref-for-implementation-defined①②">implementation-defined</a> way, make <var>parsedReading</var> available so that it can be
   obtained by <a data-link-type="dfn" href="#concept-platform-sensor" id="ref-for-concept-platform-sensor⑤①">platform sensors</a> connected to <var>virtualSensor</var>.</p>
@@ -2734,7 +2728,7 @@ <h4 class="heading settled" data-level="9.2.3" id="update-virtual-sensor-reading
    </div>
    <h5 class="heading settled" data-level="9.2.3.1" id="algorithms-for-parsing-readings"><span class="secno">9.2.3.1. </span><span class="content">Algorithms for parsing readings</span><a class="self-link" href="#algorithms-for-parsing-readings"></a></h5>
    <p>This specification defines some algorithms that <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification⑧">extension specifications</a> can use when defining
-a <a data-link-type="dfn" href="#virtual-sensor-metadata" id="ref-for-virtual-sensor-metadata①">virtual sensor metadata</a> for use in <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata⑥">per-type virtual sensor metadata</a>.</p>
+a <a data-link-type="dfn" href="#virtual-sensor-metadata" id="ref-for-virtual-sensor-metadata①">virtual sensor metadata</a> for use in <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata③">per-type virtual sensor metadata</a>.</p>
    <h6 class="heading settled dfn-paneled" data-dfn-type="dfn" data-export data-level="9.2.3.1.1" data-lt="Parse single-value number reading" id="parse-single-value-number-reading"><span class="secno">9.2.3.1.1. </span><span class="content">Parse single-value number reading</span><a class="self-link" href="#parse-single-value-number-reading" id="ref-for-parse-single-value-number-reading"></a></h6>
    <div class="algorithm" data-algorithm="parse single-value number reading">
     <dl>
@@ -2742,7 +2736,7 @@ <h6 class="heading settled dfn-paneled" data-dfn-type="dfn" data-export data-lev
      <dd data-md>
       <p><var>parameters</var>, a JSON <code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/fundamental-objects.html#sec-object-objects" id="ref-for-sec-object-objects⑤">Object</a></code></p>
      <dd data-md>
-      <p><var>valueName</var>, a <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#string" id="ref-for-string①">string</a></p>
+      <p><var>valueName</var>, a <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#string" id="ref-for-string">string</a></p>
      <dt data-md>output
      <dd data-md>
       <p>A <a data-link-type="dfn" href="#sensor-reading" id="ref-for-sensor-reading⑤⑤">sensor reading</a> or <strong>undefined</strong></p>
@@ -2845,20 +2839,18 @@ <h4 class="heading settled" data-level="9.2.4" id="delete-virtual-sensor-command
       <td>DELETE
       <td>/session/{session id}/sensor/{type}
    </table>
-   <p>This <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-extension-commands" id="ref-for-dfn-extension-commands⑥">extension command</a> deletes a given type of <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor①⑨">virtual sensor</a>.</p>
+   <p>This <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-extension-commands" id="ref-for-dfn-extension-commands⑥">extension command</a> deletes a given type of <a data-link-type="dfn" href="#virtual-sensor" id="ref-for-virtual-sensor②⓪">virtual sensor</a>.</p>
    <div class="algorithm" data-algorithm="delete virtual sensor">
      The <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-remote-end-steps" id="ref-for-dfn-remote-end-steps③">remote end steps</a> are: 
     <ol>
      <li data-md>
-      <p>Let <var>type</var> be the value of the <code>type</code> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-url-variables" id="ref-for-dfn-url-variables②">url variable</a>.</p>
-     <li data-md>
-      <p>If <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata⑦">per-type virtual sensor metadata</a> does not <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists⑨">contain</a> <var>type</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error①②">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code①③">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument①③">invalid argument</a>.</p>
+      <p>Let <var>virtualSensorType</var> be the value of the <code>type</code> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-url-variables" id="ref-for-dfn-url-variables②">url variable</a>.</p>
      <li data-md>
-      <p>Let <var>sensorType</var> be <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata⑧">per-type virtual sensor metadata</a>[<var>type</var>]'s <a data-link-type="dfn" href="#virtual-sensor-metadata-virtual-sensor-type" id="ref-for-virtual-sensor-metadata-virtual-sensor-type③">virtual sensor type</a>.</p>
+      <p>If <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata④">per-type virtual sensor metadata</a> does not <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-exists" id="ref-for-map-exists⑧">contain</a> <var>virtualSensorType</var>, return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error" id="ref-for-dfn-error①①">error</a> with <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-error-code" id="ref-for-dfn-error-code①②">WebDriver error code</a> <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-invalid-argument" id="ref-for-dfn-invalid-argument①②">invalid argument</a>.</p>
      <li data-md>
-      <p>Let <var>topLevelVirtualSensorMapping</var> be the <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-current-browsing-context" id="ref-for-dfn-current-browsing-context④">current browsing context</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#bc-traversable" id="ref-for-bc-traversable③">top-level traversable</a>'s <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping⑥">virtual sensor mapping</a>.</p>
+      <p>Let <var>topLevelVirtualSensorMapping</var> be the <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-current-browsing-context" id="ref-for-dfn-current-browsing-context④">current browsing context</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#bc-traversable" id="ref-for-bc-traversable③">top-level traversable</a>'s <a data-link-type="dfn" href="#virtual-sensor-mapping" id="ref-for-virtual-sensor-mapping⑦">virtual sensor mapping</a>.</p>
      <li data-md>
-      <p><a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-remove" id="ref-for-map-remove">Remove</a> <var>topLevelVirtualSensorMapping</var>[<var>sensorType</var>].</p>
+      <p><a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-remove" id="ref-for-map-remove">Remove</a> <var>topLevelVirtualSensorMapping</var>[<var>virtualSensorType</var>].</p>
      <li data-md>
       <p>Return <a data-link-type="dfn" href="https://w3c.github.io/webdriver/#dfn-success" id="ref-for-dfn-success⑤">success</a> with data <code>null</code>.</p>
     </ol>
@@ -2872,12 +2864,12 @@ <h2 class="heading settled" data-level="10" id="extensibility"><span class="secn
    <p><em>This section is non-normative.</em></p>
    <p class="note" role="note"><span class="marker">Note:</span> This section and its subsections provide guidance to <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification⑨">extension specification</a> <em>authors</em> using normative language. From <em>implementers'</em> point of view,
 this section and its subsections are considered non-normative.</p>
-   <p>This section describes how this specification can be extended to specify APIs for different <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④②">sensor types</a>.</p>
+   <p>This section describes how this specification can be extended to specify APIs for different <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④⓪">sensor types</a>.</p>
    <p>Such <dfn class="dfn-paneled" data-dfn-type="dfn" data-lt="extension specification" data-noexport id="extension-specification">extension specifications</dfn> are encouraged to focus on a
-single <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④③">sensor type</a>, exposing both <a data-link-type="dfn" href="#high-level" id="ref-for-high-level⑦">high</a> and <a data-link-type="dfn" href="#low-level" id="ref-for-low-level⑦">low</a> level
+single <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④①">sensor type</a>, exposing both <a data-link-type="dfn" href="#high-level" id="ref-for-high-level⑦">high</a> and <a data-link-type="dfn" href="#low-level" id="ref-for-low-level⑦">low</a> level
 as appropriate.</p>
    <p><a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification①⓪">Extension specifications</a> are encouraged to define whether a <a data-link-type="dfn" href="#calibration" id="ref-for-calibration①">calibration</a> process applies to <a data-link-type="dfn" href="#sensor-reading" id="ref-for-sensor-reading⑥①">sensor readings</a>.</p>
-   <p><a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification①①">Extension specifications</a> may explicitly define the <a data-link-type="dfn" href="#local-coordinate-system" id="ref-for-local-coordinate-system④">local coordinate system</a> for the associated <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④④">sensor type</a> or make it configurable per <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor③⑨">Sensor</a></code> object.</p>
+   <p><a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification①①">Extension specifications</a> may explicitly define the <a data-link-type="dfn" href="#local-coordinate-system" id="ref-for-local-coordinate-system④">local coordinate system</a> for the associated <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④②">sensor type</a> or make it configurable per <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor③⑨">Sensor</a></code> object.</p>
    <p>For an up-to-date list of <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification①②">extension specifications</a>, please refer to <a data-link-type="biblio" href="#biblio-generic-sensor-usecases" title="Sensor Use Cases">[GENERIC-SENSOR-USECASES]</a> and <a data-link-type="biblio" href="#biblio-motion-sensors" title="Motion Sensors Explainer">[MOTION-SENSORS]</a> documents.</p>
    <h3 class="heading settled" data-level="10.1" id="extension-security-and-privacy"><span class="secno">10.1. </span><span class="content">Security and Privacy</span><a class="self-link" href="#extension-security-and-privacy"></a></h3>
    <p><a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification①③">Extension specifications</a> are expected to:</p>
@@ -2951,12 +2943,12 @@ <h3 class="heading settled" data-level="10.4" id="high-vs-low-level"><span class
    <p>Following the precepts of the Extensible Web Manifesto <a data-link-type="biblio" href="#biblio-extennnnsible" title="The Extensible Web Manifesto">[EXTENNNNSIBLE]</a>, <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification①⑤">extension specifications</a> should focus primarily on
 exposing <a data-link-type="dfn" href="#low-level" id="ref-for-low-level①①">low-level</a> sensor APIs, but should also expose <a data-link-type="dfn" href="#high-level" id="ref-for-high-level①①">high-level</a> APIs when they are clear benefits in doing so.</p>
    <h3 class="heading settled" data-level="10.5" id="multiple-sensors"><span class="secno">10.5. </span><span class="content">When is Enabling Multiple Sensors of the Same Type Not the Right Choice?</span><a class="self-link" href="#multiple-sensors"></a></h3>
-   <p>It is not advisable to construct multiple <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor④③">Sensor</a></code> instances of the same <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④⑤">sensor type</a> with
+   <p>It is not advisable to construct multiple <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor④③">Sensor</a></code> instances of the same <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④③">sensor type</a> with
 equal construction parameters, as it can lead to unnecessary hardware resources consumption.</p>
    <p>In cases when multiple observers are interested in notifications of a newly available <a data-link-type="dfn" href="#sensor-reading" id="ref-for-sensor-reading⑥⑤">sensor reading</a>, an <a data-link-type="dfn" href="https://dom.spec.whatwg.org/#concept-event-listener" id="ref-for-concept-event-listener①">event listener</a> can be added on a single <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor④④">Sensor</a></code> instance instead of
-creating multiple instances of the same <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④⑥">sensor type</a> and using simple <code class="idl"><a data-link-type="idl" href="#dom-sensor-onreading" id="ref-for-dom-sensor-onreading①">onreading</a></code> event
+creating multiple instances of the same <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④④">sensor type</a> and using simple <code class="idl"><a data-link-type="idl" href="#dom-sensor-onreading" id="ref-for-dom-sensor-onreading①">onreading</a></code> event
 handler.</p>
-   <p>Conversely, multiple <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor④⑤">Sensors</a></code> of the same <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④⑦">sensor type</a> can be created when they
+   <p>Conversely, multiple <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor④⑤">Sensors</a></code> of the same <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④⑤">sensor type</a> can be created when they
 are intended to be used with different settings, such as: <code class="idl"><a data-link-type="idl" href="#dom-sensoroptions-frequency" id="ref-for-dom-sensoroptions-frequency③">frequency</a></code>,
 accuracy or other settings defined in <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification①⑥">extension specifications</a>.</p>
    <h3 class="heading settled" data-level="10.6" id="definition-reqs"><span class="secno">10.6. </span><span class="content">Definition Requirements</span><a class="self-link" href="#definition-reqs"></a></h3>
@@ -2976,16 +2968,16 @@ <h3 class="heading settled" data-level="10.6" id="definition-reqs"><span class="
   options.</p>
      <p>The <a data-link-type="dfn" href="#extension-sensor-interface" id="ref-for-extension-sensor-interface⑦">extension sensor interface</a> <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-attribute" id="ref-for-dfn-attribute③">attributes</a> which expose <a data-link-type="dfn" href="#sensor-reading" id="ref-for-sensor-reading⑥⑥">sensor readings</a> are <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-read-only" id="ref-for-dfn-read-only">read only</a> and their getters must return the result of invoking <a data-link-type="dfn" href="#get-value-from-latest-reading" id="ref-for-get-value-from-latest-reading③">get value from latest reading</a> with <strong>this</strong> and <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-attribute" id="ref-for-dfn-attribute④">attribute</a> <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-identifier" id="ref-for-dfn-identifier②">identifier</a> as arguments.</p>
     <li data-md>
-     <p>If the <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④⑧">sensor type</a> is representing <a data-link-type="dfn" href="#sensor-fusion" id="ref-for-sensor-fusion⑧">sensor fusion</a>, its <a data-link-type="dfn" href="#sensor-permission-names" id="ref-for-sensor-permission-names②">sensor permission names</a> must
-  be those associated with the fusion source <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④⑨">sensor types</a>.</p>
+     <p>If the <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④⑥">sensor type</a> is representing <a data-link-type="dfn" href="#sensor-fusion" id="ref-for-sensor-fusion⑧">sensor fusion</a>, its <a data-link-type="dfn" href="#sensor-permission-names" id="ref-for-sensor-permission-names②">sensor permission names</a> must
+  be those associated with the fusion source <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④⑦">sensor types</a>.</p>
    </ul>
    <p>An <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification②⓪">extension specification</a> may specify the following definitions
-for each <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤⓪">sensor type</a>:</p>
+for each <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④⑧">sensor type</a>:</p>
    <ul>
     <li data-md>
      <p>A <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-dictionary" id="ref-for-dfn-dictionary①">dictionary</a> whose <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-inherited-dictionaries" id="ref-for-dfn-inherited-dictionaries①">inherited dictionaries</a> contains <code class="idl"><a data-link-type="idl" href="#dictdef-sensoroptions" id="ref-for-dictdef-sensoroptions②">SensorOptions</a></code>.</p>
     <li data-md>
-     <p>A <a data-link-type="dfn" href="#default-sensor" id="ref-for-default-sensor⑥">default sensor</a>. Generally, devices are equipped with a single <a data-link-type="dfn" href="#concept-platform-sensor" id="ref-for-concept-platform-sensor⑤⑦">platform sensor</a> of each <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤①">type</a>, in which case defining a <a data-link-type="dfn" href="#default-sensor" id="ref-for-default-sensor⑦">default sensor</a> is straightforward. For <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤②">sensor types</a> where multiple <a data-link-type="dfn" href="#concept-device-sensor" id="ref-for-concept-device-sensor⑤②">sensors</a> are common, <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification②①">extension
+     <p>A <a data-link-type="dfn" href="#default-sensor" id="ref-for-default-sensor⑥">default sensor</a>. Generally, devices are equipped with a single <a data-link-type="dfn" href="#concept-platform-sensor" id="ref-for-concept-platform-sensor⑤⑦">platform sensor</a> of each <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type④⑨">type</a>, in which case defining a <a data-link-type="dfn" href="#default-sensor" id="ref-for-default-sensor⑦">default sensor</a> is straightforward. For <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤⓪">sensor types</a> where multiple <a data-link-type="dfn" href="#concept-device-sensor" id="ref-for-concept-device-sensor⑤②">sensors</a> are common, <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification②①">extension
   specifications</a> may choose not to define a <a data-link-type="dfn" href="#default-sensor" id="ref-for-default-sensor⑧">default sensor</a>, especially when doing so would
   not make sense.</p>
    </ul>
@@ -2993,27 +2985,28 @@ <h3 class="heading settled" data-level="10.7" id="extend-automation"><span class
    <p>In order to enable user-agent automation and application testing, <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification②②">extension specifications</a> are encouraged to:</p>
    <ul>
     <li data-md>
-     <p>Add one or more <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-entry" id="ref-for-map-entry④">entries</a> to <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata⑨">per-type virtual sensor metadata</a>.</p>
+     <p>Add one or more <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#map-entry" id="ref-for-map-entry④">entries</a> to <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata⑤">per-type virtual sensor metadata</a>.</p>
     <li data-md>
      <p>Consequently, define one or more <a data-link-type="dfn" href="#virtual-sensor-metadata" id="ref-for-virtual-sensor-metadata②">virtual sensor metadata</a> instances.</p>
+    <li data-md>
+     <p>Specify a <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤①">sensor type</a>'s <a data-link-type="dfn" href="#virtual-sensor-type" id="ref-for-virtual-sensor-type④">virtual sensor type</a>, which should match the key used in the corresponding <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata⑥">per-type virtual sensor metadata</a> entry.</p>
    </ul>
-   <div class="example" id="example-79ffa788">
-    <a class="self-link" href="#example-79ffa788"></a> The <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification②③">extension specification</a> for proximity sensors described in <a href="#example-webidl">§ 10.10 Example WebIDL</a> could
+   <div class="example" id="example-91eda903">
+    <a class="self-link" href="#example-91eda903"></a> The <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification②③">extension specification</a> for proximity sensors described in <a href="#example-webidl">§ 10.10 Example WebIDL</a> could
     contain the following text: 
     <blockquote>
-      The <strong>Proximity Sensor</strong> is a <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤③">sensor type</a> with one associated <a data-link-type="dfn" href="#extension-sensor-interface" id="ref-for-extension-sensor-interface⑧">extension sensor
-        interface</a>, <code>ProximitySensor</code>. 
+      The <strong>Proximity Sensor</strong> is a <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤②">sensor type</a> with one associated <a data-link-type="dfn" href="#extension-sensor-interface" id="ref-for-extension-sensor-interface⑧">extension sensor
+        interface</a>, <code>ProximitySensor</code>. Its associated <a data-link-type="dfn" href="#virtual-sensor-type" id="ref-for-virtual-sensor-type⑤">virtual sensor type</a> is "<code>proximity</code>". 
      <p><em>[...]</em></p>
      <p>The <strong>proximity reading parsing algorithm</strong>, given a JSON <code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/fundamental-objects.html#sec-object-objects" id="ref-for-sec-object-objects⑧">Object</a></code> <em>parameters</em>, must
         invoke <a data-link-type="dfn" href="#parse-single-value-number-reading" id="ref-for-parse-single-value-number-reading①">parse single-value number reading</a> with <em>parameters</em> and "<code>distance</code>".</p>
-     <p>The <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata①⓪">per-type virtual sensor metadata</a> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#ordered-map" id="ref-for-ordered-map⑨">map</a> must have an entry whose key is "<code>proximity</code>"
-        and whose value is a <a data-link-type="dfn" href="#virtual-sensor-metadata" id="ref-for-virtual-sensor-metadata③">virtual sensor metadata</a> whose <a data-link-type="dfn" href="#virtual-sensor-metadata-virtual-sensor-type" id="ref-for-virtual-sensor-metadata-virtual-sensor-type④">virtual sensor
-        type</a> is the <em>Proximity Sensor</em> <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤④">sensor type</a> and with a <a data-link-type="dfn" href="#virtual-sensor-metadata-reading-parsing-algorithm" id="ref-for-virtual-sensor-metadata-reading-parsing-algorithm①">reading
-        parsing algorithm</a> of <em>proximity reading parsing algorithm</em>.</p>
+     <p>The <a data-link-type="dfn" href="#per-type-virtual-sensor-metadata" id="ref-for-per-type-virtual-sensor-metadata⑦">per-type virtual sensor metadata</a> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#ordered-map" id="ref-for-ordered-map⑨">map</a> must have an entry whose key is "<code>proximity</code>"
+        and whose value is a <a data-link-type="dfn" href="#virtual-sensor-metadata" id="ref-for-virtual-sensor-metadata③">virtual sensor metadata</a> whose <a data-link-type="dfn" href="#virtual-sensor-metadata-reading-parsing-algorithm" id="ref-for-virtual-sensor-metadata-reading-parsing-algorithm①">reading
+        parsing algorithm</a> is <em>proximity reading parsing algorithm</em>.</p>
     </blockquote>
    </div>
    <h3 class="heading settled" data-level="10.8" id="permission-api"><span class="secno">10.8. </span><span class="content">Extending the Permission API</span><a class="self-link" href="#permission-api"></a></h3>
-   <p>An implementation of the <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor④⑦">Sensor</a></code> interface for each <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤⑤">sensor type</a> must protect its <a data-link-type="dfn" href="#sensor-reading" id="ref-for-sensor-reading⑥⑦">reading</a> by associated <a data-link-type="dfn" href="https://w3c.github.io/permissions/#dfn-name" id="ref-for-dfn-name③">name</a> or <code class="idl"><a data-link-type="idl" href="https://w3c.github.io/permissions/#dom-permissiondescriptor" id="ref-for-dom-permissiondescriptor">PermissionDescriptor</a></code>.
+   <p>An implementation of the <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor④⑦">Sensor</a></code> interface for each <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤③">sensor type</a> must protect its <a data-link-type="dfn" href="#sensor-reading" id="ref-for-sensor-reading⑥⑦">reading</a> by associated <a data-link-type="dfn" href="https://w3c.github.io/permissions/#dfn-name" id="ref-for-dfn-name③">name</a> or <code class="idl"><a data-link-type="idl" href="https://w3c.github.io/permissions/#dom-permissiondescriptor" id="ref-for-dom-permissiondescriptor">PermissionDescriptor</a></code>.
 A <a data-link-type="dfn" href="#low-level" id="ref-for-low-level①②">low-level</a> <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor④⑧">sensor</a></code> may use its interface name as a <a data-link-type="dfn" href="https://w3c.github.io/permissions/#dfn-name" id="ref-for-dfn-name④">name</a>,
 for instance, "gyroscope" or "accelerometer". <a data-link-type="dfn" href="#sensor-fusion" id="ref-for-sensor-fusion⑨">Fusion sensors</a> must <a data-link-type="dfn" href="https://w3c.github.io/permissions/#dfn-request-permission-to-use" id="ref-for-dfn-request-permission-to-use①">request permission to access</a> each of the sensors that are
 used as a source of fusion.</p>
@@ -3032,7 +3025,7 @@ <h3 class="heading settled" data-level="10.8" id="permission-api"><span class="s
 };
 </pre>
    <h3 class="heading settled" data-level="10.9" id="permissions-policy-api"><span class="secno">10.9. </span><span class="content">Extending the Permissions Policy API</span><span id="feature-policy-api"></span><a class="self-link" href="#permissions-policy-api"></a></h3>
-   <p>An implementation of the <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor④⑨">Sensor</a></code> interface for each <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤⑥">sensor type</a> has one
+   <p>An implementation of the <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor④⑨">Sensor</a></code> interface for each <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤④">sensor type</a> has one
 (if <a data-link-type="dfn" href="#sensor-fusion" id="ref-for-sensor-fusion①⓪">sensor fusion</a> is not performed) or several <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature③">policy-controlled features</a> that control whether or not this implementation can be used in a document.</p>
    <p>The <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature④">features</a>' <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature-default-allowlist" id="ref-for-policy-controlled-feature-default-allowlist">default allowlist</a> is <code>'self'</code>.</p>
    <p class="note" role="note"><span class="marker">Note:</span> The <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature-default-allowlist" id="ref-for-policy-controlled-feature-default-allowlist①">default allowlist</a> of <code>'self'</code> allows <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor⑤⓪">Sensor</a></code> interface
@@ -3041,7 +3034,7 @@ <h3 class="heading settled" data-level="10.9" id="permissions-policy-api"><span
    <p>The <a data-link-type="dfn" href="#sensor-feature-names" id="ref-for-sensor-feature-names②">sensor feature names</a> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#ordered-set" id="ref-for-ordered-set⑨">set</a> must contain <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature⑤">policy-controlled feature</a> tokens of every associated <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature⑥">feature</a>.</p>
    <p>A <a data-link-type="dfn" href="#low-level" id="ref-for-low-level①④">low-level</a> <code class="idl"><a data-link-type="idl" href="#sensor" id="ref-for-sensor⑤①">sensor</a></code> may use its interface name as a <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature⑦">policy-controlled feature</a> token,
 for instance, "gyroscope" or "accelerometer". Unless the <a data-link-type="dfn" href="#extension-specification" id="ref-for-extension-specification②④">extension specification</a> defines
-otherwise, the <a data-link-type="dfn" href="#sensor-feature-names" id="ref-for-sensor-feature-names③">sensor feature names</a> matches the same <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤⑦">type</a>-associated <a data-link-type="dfn" href="#sensor-permission-names" id="ref-for-sensor-permission-names③">sensor permission names</a>.</p>
+otherwise, the <a data-link-type="dfn" href="#sensor-feature-names" id="ref-for-sensor-feature-names③">sensor feature names</a> matches the same <a data-link-type="dfn" href="#sensor-type" id="ref-for-sensor-type⑤⑤">type</a>-associated <a data-link-type="dfn" href="#sensor-permission-names" id="ref-for-sensor-permission-names③">sensor permission names</a>.</p>
    <div class="example html" id="example-e92c9492">
     <a class="self-link" href="#example-e92c9492"></a> The accelerometer feature is selectively enabled for third-party origin by adding an <code><a data-link-type="element-sub" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#attr-iframe-allow" id="ref-for-attr-iframe-allow">allow</a></code> attribute to the frame container element: 
 <pre class="highlight"><c- p>&lt;</c-><c- f>iframe</c-> <c- e>src</c-><c- o>=</c-><c- s>"https://third-party.com"</c-> <c- e>allow</c-><c- o>=</c-><c- s>"accelerometer"</c-><c- p>/>&lt;/</c-><c- f>iframe</c-><c- p>></c->
@@ -3432,7 +3425,7 @@ <h3 class="no-num no-ref heading settled" id="index-defined-here"><span class="c
    <li><a href="#virtual-sensor">virtual sensor</a><span>, in § 9.1</span>
    <li><a href="#virtual-sensor-mapping">virtual sensor mapping</a><span>, in § 9.1</span>
    <li><a href="#virtual-sensor-metadata">virtual sensor metadata</a><span>, in § 9.1</span>
-   <li><a href="#virtual-sensor-metadata-virtual-sensor-type">virtual sensor type</a><span>, in § 9.1</span>
+   <li><a href="#virtual-sensor-type">virtual sensor type</a><span>, in § 9.1</span>
   </ul>
   <h3 class="no-num no-ref heading settled" id="index-defined-elsewhere"><span class="content">Terms defined by reference</span><a class="self-link" href="#index-defined-elsewhere"></a></h3>
   <ul class="index">
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@@ -4379,7 +4372,7 @@ <h2 class="no-num no-ref heading settled" id="idl-index"><span class="content">I
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@@ -4422,16 +4415,16 @@ <h2 class="no-num no-ref heading settled" id="idl-index"><span class="content">I
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 window.dfnpanelData['request-sensor-access'] = {"dfnID": "request-sensor-access", "url": "#request-sensor-access", "dfnText": "8.14. Request sensor access", "refSections": [{"refs": [{"id": "ref-for-request-sensor-access"}], "title": "5.5. Conditions to expose sensor readings"}, {"refs": [{"id": "ref-for-request-sensor-access\u2460"}], "title": "7.1.7. Sensor.start()"}, {"refs": [{"id": "ref-for-request-sensor-access"}], "title": "8.14. Request sensor access"}], "external": false};
-window.dfnpanelData['virtual-sensor'] = {"dfnID": "virtual-sensor", "url": "#virtual-sensor", "dfnText": "virtual sensor", "refSections": [{"refs": [{"id": "ref-for-virtual-sensor"}, {"id": "ref-for-virtual-sensor\u2460"}], "title": "9. Automation"}, {"refs": [{"id": "ref-for-virtual-sensor\u2461"}, {"id": "ref-for-virtual-sensor\u2462"}, {"id": "ref-for-virtual-sensor\u2463"}, {"id": "ref-for-virtual-sensor\u2464"}, {"id": "ref-for-virtual-sensor\u2465"}, {"id": "ref-for-virtual-sensor\u2466"}, {"id": "ref-for-virtual-sensor\u2467"}, {"id": "ref-for-virtual-sensor\u2468"}], "title": "9.1. Virtual Sensors"}, {"refs": [{"id": "ref-for-virtual-sensor\u2460\u24ea"}, {"id": "ref-for-virtual-sensor\u2460\u2460"}, {"id": "ref-for-virtual-sensor\u2460\u2461"}, {"id": "ref-for-virtual-sensor\u2460\u2462"}, {"id": "ref-for-virtual-sensor\u2460\u2463"}], "title": "9.2.1. Create virtual sensor"}, {"refs": [{"id": "ref-for-virtual-sensor\u2460\u2464"}, {"id": "ref-for-virtual-sensor\u2460\u2465"}, {"id": "ref-for-virtual-sensor\u2460\u2466"}], "title": "9.2.2. Get virtual sensor information"}, {"refs": [{"id": "ref-for-virtual-sensor\u2460\u2467"}], "title": "9.2.3. Update virtual sensor reading"}, {"refs": [{"id": "ref-for-virtual-sensor\u2460\u2468"}], "title": "9.2.4. Delete virtual sensor"}], "external": false};
+window.dfnpanelData['virtual-sensor'] = {"dfnID": "virtual-sensor", "url": "#virtual-sensor", "dfnText": "virtual sensor", "refSections": [{"refs": [{"id": "ref-for-virtual-sensor"}, {"id": "ref-for-virtual-sensor\u2460"}], "title": "9. Automation"}, {"refs": [{"id": "ref-for-virtual-sensor\u2461"}, {"id": "ref-for-virtual-sensor\u2462"}, {"id": "ref-for-virtual-sensor\u2463"}, {"id": "ref-for-virtual-sensor\u2464"}, {"id": "ref-for-virtual-sensor\u2465"}, {"id": "ref-for-virtual-sensor\u2466"}, {"id": "ref-for-virtual-sensor\u2467"}, {"id": "ref-for-virtual-sensor\u2468"}, {"id": "ref-for-virtual-sensor\u2460\u24ea"}], "title": "9.1. Virtual Sensors"}, {"refs": [{"id": "ref-for-virtual-sensor\u2460\u2460"}, {"id": "ref-for-virtual-sensor\u2460\u2461"}, {"id": "ref-for-virtual-sensor\u2460\u2462"}, {"id": "ref-for-virtual-sensor\u2460\u2463"}, {"id": "ref-for-virtual-sensor\u2460\u2464"}], "title": "9.2.1. Create virtual sensor"}, {"refs": [{"id": "ref-for-virtual-sensor\u2460\u2465"}, {"id": "ref-for-virtual-sensor\u2460\u2466"}, {"id": "ref-for-virtual-sensor\u2460\u2467"}], "title": "9.2.2. Get virtual sensor information"}, {"refs": [{"id": "ref-for-virtual-sensor\u2460\u2468"}], "title": "9.2.3. Update virtual sensor reading"}, {"refs": [{"id": "ref-for-virtual-sensor\u2461\u24ea"}], "title": "9.2.4. Delete virtual sensor"}], "external": false};
 window.dfnpanelData['virtual-sensor-can-provide-readings-flag'] = {"dfnID": "virtual-sensor-can-provide-readings-flag", "url": "#virtual-sensor-can-provide-readings-flag", "dfnText": "can provide readings flag", "refSections": [{"refs": [{"id": "ref-for-virtual-sensor-can-provide-readings-flag"}, {"id": "ref-for-virtual-sensor-can-provide-readings-flag\u2460"}], "title": "8.3. Connect to sensor"}, {"refs": [{"id": "ref-for-virtual-sensor-can-provide-readings-flag\u2461"}], "title": "9.2.1. Create virtual sensor"}], "external": false};
 window.dfnpanelData['virtual-sensor-requested-sampling-frequency'] = {"dfnID": "virtual-sensor-requested-sampling-frequency", "url": "#virtual-sensor-requested-sampling-frequency", "dfnText": "requested sampling frequency", "refSections": [{"refs": [{"id": "ref-for-virtual-sensor-requested-sampling-frequency"}, {"id": "ref-for-virtual-sensor-requested-sampling-frequency\u2460"}, {"id": "ref-for-virtual-sensor-requested-sampling-frequency\u2461"}], "title": "9.1. Virtual Sensors"}, {"refs": [{"id": "ref-for-virtual-sensor-requested-sampling-frequency\u2462"}, {"id": "ref-for-virtual-sensor-requested-sampling-frequency\u2463"}], "title": "9.2.2. Get virtual sensor information"}], "external": false};
 window.dfnpanelData['virtual-sensor-minimum-sampling-frequency'] = {"dfnID": "virtual-sensor-minimum-sampling-frequency", "url": "#virtual-sensor-minimum-sampling-frequency", "dfnText": "minimum sampling frequency", "refSections": [{"refs": [{"id": "ref-for-virtual-sensor-minimum-sampling-frequency"}], "title": "9.1. Virtual Sensors"}, {"refs": [{"id": "ref-for-virtual-sensor-minimum-sampling-frequency\u2460"}], "title": "9.2.1. Create virtual sensor"}, {"refs": [{"id": "ref-for-virtual-sensor-minimum-sampling-frequency\u2461"}], "title": "9.2.2. Get virtual sensor information"}], "external": false};
 window.dfnpanelData['virtual-sensor-maximum-sampling-frequency'] = {"dfnID": "virtual-sensor-maximum-sampling-frequency", "url": "#virtual-sensor-maximum-sampling-frequency", "dfnText": "maximum sampling frequency", "refSections": [{"refs": [{"id": "ref-for-virtual-sensor-maximum-sampling-frequency"}], "title": "9.1. Virtual Sensors"}, {"refs": [{"id": "ref-for-virtual-sensor-maximum-sampling-frequency\u2460"}], "title": "9.2.1. Create virtual sensor"}, {"refs": [{"id": "ref-for-virtual-sensor-maximum-sampling-frequency\u2461"}], "title": "9.2.2. Get virtual sensor information"}], "external": false};
-window.dfnpanelData['per-type-virtual-sensor-metadata'] = {"dfnID": "per-type-virtual-sensor-metadata", "url": "#per-type-virtual-sensor-metadata", "dfnText": "per-type virtual sensor metadata", "refSections": [{"refs": [{"id": "ref-for-per-type-virtual-sensor-metadata"}, {"id": "ref-for-per-type-virtual-sensor-metadata\u2460"}], "title": "9.2.1. Create virtual sensor"}, {"refs": [{"id": "ref-for-per-type-virtual-sensor-metadata\u2461"}, {"id": "ref-for-per-type-virtual-sensor-metadata\u2462"}], "title": "9.2.2. Get virtual sensor information"}, {"refs": [{"id": "ref-for-per-type-virtual-sensor-metadata\u2463"}, {"id": "ref-for-per-type-virtual-sensor-metadata\u2464"}], "title": "9.2.3. Update virtual sensor reading"}, {"refs": [{"id": "ref-for-per-type-virtual-sensor-metadata\u2465"}], "title": "9.2.3.1. Algorithms for parsing readings"}, {"refs": [{"id": "ref-for-per-type-virtual-sensor-metadata\u2466"}, {"id": "ref-for-per-type-virtual-sensor-metadata\u2467"}], "title": "9.2.4. Delete virtual sensor"}, {"refs": [{"id": "ref-for-per-type-virtual-sensor-metadata\u2468"}, {"id": "ref-for-per-type-virtual-sensor-metadata\u2460\u24ea"}], "title": "10.7. Automation"}], "external": false};
+window.dfnpanelData['virtual-sensor-type'] = {"dfnID": "virtual-sensor-type", "url": "#virtual-sensor-type", "dfnText": "virtual sensor type", "refSections": [{"refs": [{"id": "ref-for-virtual-sensor-type"}], "title": "6.1. Sensor Type"}, {"refs": [{"id": "ref-for-virtual-sensor-type\u2460"}], "title": "8.3. Connect to sensor"}, {"refs": [{"id": "ref-for-virtual-sensor-type\u2461"}, {"id": "ref-for-virtual-sensor-type\u2462"}], "title": "9.1. Virtual Sensors"}, {"refs": [{"id": "ref-for-virtual-sensor-type\u2463"}, {"id": "ref-for-virtual-sensor-type\u2464"}], "title": "10.7. Automation"}], "external": false};
+window.dfnpanelData['per-type-virtual-sensor-metadata'] = {"dfnID": "per-type-virtual-sensor-metadata", "url": "#per-type-virtual-sensor-metadata", "dfnText": "per-type virtual sensor metadata", "refSections": [{"refs": [{"id": "ref-for-per-type-virtual-sensor-metadata"}], "title": "9.2.1. Create virtual sensor"}, {"refs": [{"id": "ref-for-per-type-virtual-sensor-metadata\u2460"}, {"id": "ref-for-per-type-virtual-sensor-metadata\u2461"}], "title": "9.2.3. Update virtual sensor reading"}, {"refs": [{"id": "ref-for-per-type-virtual-sensor-metadata\u2462"}], "title": "9.2.3.1. Algorithms for parsing readings"}, {"refs": [{"id": "ref-for-per-type-virtual-sensor-metadata\u2463"}], "title": "9.2.4. Delete virtual sensor"}, {"refs": [{"id": "ref-for-per-type-virtual-sensor-metadata\u2464"}, {"id": "ref-for-per-type-virtual-sensor-metadata\u2465"}, {"id": "ref-for-per-type-virtual-sensor-metadata\u2466"}], "title": "10.7. Automation"}], "external": false};
 window.dfnpanelData['virtual-sensor-metadata'] = {"dfnID": "virtual-sensor-metadata", "url": "#virtual-sensor-metadata", "dfnText": "virtual sensor metadata", "refSections": [{"refs": [{"id": "ref-for-virtual-sensor-metadata"}], "title": "9.1. Virtual Sensors"}, {"refs": [{"id": "ref-for-virtual-sensor-metadata\u2460"}], "title": "9.2.3.1. Algorithms for parsing readings"}, {"refs": [{"id": "ref-for-virtual-sensor-metadata\u2461"}, {"id": "ref-for-virtual-sensor-metadata\u2462"}], "title": "10.7. Automation"}], "external": false};
-window.dfnpanelData['virtual-sensor-metadata-virtual-sensor-type'] = {"dfnID": "virtual-sensor-metadata-virtual-sensor-type", "url": "#virtual-sensor-metadata-virtual-sensor-type", "dfnText": "virtual sensor type", "refSections": [{"refs": [{"id": "ref-for-virtual-sensor-metadata-virtual-sensor-type"}], "title": "9.2.1. Create virtual sensor"}, {"refs": [{"id": "ref-for-virtual-sensor-metadata-virtual-sensor-type\u2460"}], "title": "9.2.2. Get virtual sensor information"}, {"refs": [{"id": "ref-for-virtual-sensor-metadata-virtual-sensor-type\u2461"}], "title": "9.2.3. Update virtual sensor reading"}, {"refs": [{"id": "ref-for-virtual-sensor-metadata-virtual-sensor-type\u2462"}], "title": "9.2.4. Delete virtual sensor"}, {"refs": [{"id": "ref-for-virtual-sensor-metadata-virtual-sensor-type\u2463"}], "title": "10.7. Automation"}], "external": false};
 window.dfnpanelData['virtual-sensor-metadata-reading-parsing-algorithm'] = {"dfnID": "virtual-sensor-metadata-reading-parsing-algorithm", "url": "#virtual-sensor-metadata-reading-parsing-algorithm", "dfnText": "reading parsing algorithm", "refSections": [{"refs": [{"id": "ref-for-virtual-sensor-metadata-reading-parsing-algorithm"}], "title": "9.2.3. Update virtual sensor reading"}, {"refs": [{"id": "ref-for-virtual-sensor-metadata-reading-parsing-algorithm\u2460"}], "title": "10.7. Automation"}], "external": false};
-window.dfnpanelData['virtual-sensor-mapping'] = {"dfnID": "virtual-sensor-mapping", "url": "#virtual-sensor-mapping", "dfnText": "virtual sensor mapping", "refSections": [{"refs": [{"id": "ref-for-virtual-sensor-mapping"}, {"id": "ref-for-virtual-sensor-mapping\u2460"}], "title": "8.3. Connect to sensor"}, {"refs": [{"id": "ref-for-virtual-sensor-mapping\u2461"}], "title": "9.1. Virtual Sensors"}, {"refs": [{"id": "ref-for-virtual-sensor-mapping\u2462"}], "title": "9.2.1. Create virtual sensor"}, {"refs": [{"id": "ref-for-virtual-sensor-mapping\u2463"}], "title": "9.2.2. Get virtual sensor information"}, {"refs": [{"id": "ref-for-virtual-sensor-mapping\u2464"}], "title": "9.2.3. Update virtual sensor reading"}, {"refs": [{"id": "ref-for-virtual-sensor-mapping\u2465"}], "title": "9.2.4. Delete virtual sensor"}], "external": false};
+window.dfnpanelData['virtual-sensor-mapping'] = {"dfnID": "virtual-sensor-mapping", "url": "#virtual-sensor-mapping", "dfnText": "virtual sensor mapping", "refSections": [{"refs": [{"id": "ref-for-virtual-sensor-mapping"}, {"id": "ref-for-virtual-sensor-mapping\u2460"}], "title": "8.3. Connect to sensor"}, {"refs": [{"id": "ref-for-virtual-sensor-mapping\u2461"}, {"id": "ref-for-virtual-sensor-mapping\u2462"}], "title": "9.1. Virtual Sensors"}, {"refs": [{"id": "ref-for-virtual-sensor-mapping\u2463"}], "title": "9.2.1. Create virtual sensor"}, {"refs": [{"id": "ref-for-virtual-sensor-mapping\u2464"}], "title": "9.2.2. Get virtual sensor information"}, {"refs": [{"id": "ref-for-virtual-sensor-mapping\u2465"}], "title": "9.2.3. Update virtual sensor reading"}, {"refs": [{"id": "ref-for-virtual-sensor-mapping\u2466"}], "title": "9.2.4. Delete virtual sensor"}], "external": false};
 window.dfnpanelData['parse-single-value-number-reading'] = {"dfnID": "parse-single-value-number-reading", "url": "#parse-single-value-number-reading", "dfnText": "9.2.3.1.1. Parse single-value number reading", "refSections": [{"refs": [{"id": "ref-for-parse-single-value-number-reading"}], "title": "9.2.3.1.1. Parse single-value number reading"}, {"refs": [{"id": "ref-for-parse-single-value-number-reading"}], "title": "10.7. Automation"}], "external": false};
 window.dfnpanelData['parse-xyz-reading'] = {"dfnID": "parse-xyz-reading", "url": "#parse-xyz-reading", "dfnText": "9.2.3.1.2. Parse XYZ reading", "refSections": [{"refs": [{"id": "ref-for-parse-xyz-reading"}], "title": "9.2.3.1.2. Parse XYZ reading"}], "external": false};
 window.dfnpanelData['parse-quaternion-reading'] = {"dfnID": "parse-quaternion-reading", "url": "#parse-quaternion-reading", "dfnText": "9.2.3.1.3. Parse quaternion reading", "refSections": [{"refs": [{"id": "ref-for-parse-quaternion-reading"}], "title": "9.2.3.1.3. Parse quaternion reading"}], "external": false};