Flop

general

The first three community cards dealt face-up.

Flop play is where most postflop money is decided. Range-vs-range flop construction is the bread and butter of solver study.

See also

Action
Your turn to act, or the overall betting activity in a hand.
Bad Beat
Losing a hand where you were a heavy statistical favorite.
Board
The community cards dealt face-up in the middle of the table.
Cooler
A hand where two players have very strong holdings — unavoidable losses happen.