Aibolit WP: what is the meaning of rank? Need clarify

[acheshkov]

aibolit/wp/sections/how_aibolit_works.tex

Lines 21 to 22 in 1192345

	(4) Rank all the alternative vectors wrt to how much they improve the original
	maintainability score. Recommend changes that gave the most improvement.}

If one pattern is bad, Aibolit should recommend to remove it. As declared in the end of Conclusion section: " If the anti-pattern has found, we recommend to fix all instances of the pattern in the code ". So what is the meaning of rank?