does level 0 = only words on that page?
does level 1 = level 0 + opens links of level 0 and indexes the words on those new opened pages?
does level 2 = level 1 + opens links on level 1 and indexes the words?
I’ve tried advanced crawling with depth of 1 thinking that it would do pages under wiki (thinking that level 0 is https://en.wikipedia.org/wiki/), and frankly it didn’t do a thing. It finished to quickly to be noticed.