Right.

You can't hide the detail with a wave of the hand, you can definitely overcommunicate detail that is unnecessary, but the art of it is finding a way to explain the bit that matters in a way that makes it clear to the users that you're eliding detail that isn't important, without misleading them.

There is a very fine example of this in cinema -- the senior partners meeting in Margin Call, where Zachary Quinto's character has to explain why the firm needs to sell all of a particular asset class:

https://www.youtube.com/watch?v=Hhy7JUinlu0

One day I will use the line Jeremy Irons uses in this clip. I don't want to spoil it by quoting it.