Indirect distant opposition

"In this type of situation, the rule is to make a square or a rectangle in which each corner is the same color with the other guy to move." - IM Jeremy Silman (2007)

"In this type of situation, the rule is to make a square or a rectangle in which each corner is the same color with the other guy to move." - IM Jeremy Silman (2007)
In what type of situation?
I think he meant things like the above diagram. You can see more in Silman's Complete Endgame Course.
http://theweekinchess.com/john-watson-reviews/theres-an-end-to-it-all
https://web.archive.org/web/20140708103149/http://www.chesscafe.com/text/review594.pdf
https://www.silmanjamespress.com/shop/chess/silmans-complete-endgame-course/
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