How to Play on the Turn & River

During Poker Tourneys, why is one card discarded before the rest are shown as the flop, turn and river? I always see this in World Poker

When you flop a gutshot straight draw, you have a % chance of completing the straight on either the turn or river

poker dinero ficticio poker river flop turn-Process of receiving applications for next year's Hajj underwayBreakingBreaking T03:52:42-04:00 “The

poker chines -If players Run It Twice, they form two five-card poker hands similar to Double Flop Texas The “lower board” consists of the original Flop and Turn and second