Right then, everyone, listen closely — Dean Thomas, if you do that to the mouse again I shall put you in detention — most of you have now successfully Vanished your snails and even those who were left with a certain amount of shell have got the gist of the spell.
There are no more uses of "gist" in the book.
Show samples from other sources
Just tell me the gist of the matter.
It’s a 300 page report, but the gist of it is that the plan won’t work.