Poker is a family of card games, popular in the United States and throughout the world. Each variant of the game has different rules, but all have certain essential features.
The basic goal of each round is to create the best hand possible, with five cards that are either your own or created from the cards of the community. The highest-ranking hand wins.
Royal flush: A complete hand of ace, king, queen, and jack that contains two or more cards of the same suit (for example, a royal flush). Three of a kind can beat two aces as a high card; but four of a kind can win against any pair.
Straight: A straight is a set of cards, such as a pair, a pair, and an ace. It is the most common type of poker hand and is often the most valuable.
Full house: A full house is a set of four cards, such as a pair and an ace. It is the most powerful hand in poker and usually the most valuable.
Flush: A flush is a set of cards, such as an ace, a king, a queen, and a jack. It is the most valuable hand in poker and usually the most valuable.
In each betting round, one player (usually the first) opens action by placing a bet; if no players call the opening bet, this player wins the entire pot. When this happens, other players must then either call the bet or raise their own bets to make it equal in amount. Then, the betting round ends when all active players have bet an equal amount.