Also: Applause point, Wait for applause
Holding a pose, without the appearance of movement, for an extended period - long enough to register with the audience that it has been held - before proceeding with the choreography.
While usually tricks in themselves, freezes are points that invite audience response, similar to punctuation in a sentence.
The number of freezes dictates if an act is perceived as fast or slow - the more freezes and the longer the freezes, the slower the act is. The extreme of this is the living statue act.
https://en.wikipedia.org/wiki/Freeze_(b-boy_move)