Poker is a card game with millions of fans. To write an article about it that appeals to them you need to include interesting anecdotes, and include information that will help readers improve their own poker play. This includes things like tells, which are the unconscious habits a player displays that reveal information about his or her hand. They can be as subtle as a change in posture or as obvious as a gesture.
During each round of betting, players reveal their cards and make bets. The player who has the highest hand wins the pot. If no one has a winning hand, the last remaining players will usually share in some way (depending on how the rules are written).
The game is often played with a single deck of 52 cards. Each player receives two personal cards in his or her hand, and the community cards are revealed on the table. Each hand must contain five cards total — the personal cards plus four community cards. Depending on the game, a player may also draw replacement cards.
A player who wants to remain active in the pot must either call the current bet or raise it. The raise must be equal to or higher than the previous bet. If the player cannot meet this requirement, he or she must fold. The game can be played with a single dealer, or it can involve a button that is passed around the table after each round of betting.