95% of Anki's value comes from 5% of the features: Anki has ways of auto-generating cards, of tagging cards, a plugin ecosystem, and much else. In practice, I rarely use any of these features. My cards are always one of two types: the majority are simple question and answer; a substantial minority are what's called a cloze: a kind of fill-in-the-blanks test. For instance, I'll use clozes to test myself on favorite quotes:
> “if the personal computer is truly a \\ then the use of it would actually change the \\ of an \\", \\, \\” (Answer: new medium, thought patterns, entire civilization, Alan Kay, 1989).