4Bet BTN vs. 3Bet BB%

The first voluntary wager made on a betting street.

The larger forced blind posted before cards are dealt, and the position that posts it.

A forced bet posted before seeing cards.

The dealer position, normally the strongest position because it acts last after the flop.

A player's seat relative to the dealer button and order of action.

The betting round before the flop is dealt.

The first re-raise preflop after an open raise.