Pot OddsThe amount of money in the pot compared to the amount you must put in the pot to continue playing. For example, suppose there is \$60 in the pot.
Pot-LimitA version of poker in which a player may bet up to the amount of money in the pot whenever it is his turn to act.
PriceThe pot odds you are getting for a draw or call. Example: "The pot was laying me a high enough price, so I stayed in with my gutshot straight draw."
Protect(1) To keep your hand or a chip on your cards. This prevents them from being fouled by a discarded hand, or accidentally mucked by the dealer.