Poker is a card game in which players place an ante (the amount of money each player has to put into the pot before the hand starts) and are then dealt two cards face down. After this betting takes place and the best hand wins the pot. There are many different variants of the game, but they all have the same basic rules.
A good way to improve your poker game is to learn about the different tells in the game. These are small body language cues that can tell you whether or not your opponent is holding a strong or weak hand. For example, if you see a player with his or her hands shaking or with his or her mouth open wide it is probably because they are bluffing.
Usually, a player can only call or raise when it is his or her turn to act. Each time a bet is made, the player who has the highest hand must match or raise it. If he or she does not, the hand is lost and the next player acts.
During each betting interval, players pay into the pot according to the amount of bets placed by their predecessors. This is how the pot grows over time. When a player has a high hand, he or she must show it at the end of the betting interval. High hands include a pair, a full house, or a straight. If a player does not have any of these, the high card is used to break ties.