Poker is played from a standard pack of 52 cards (some games add jokers). The highest hand wins. There are a variety of poker variants, but most involve betting and bluffing.
The cards are dealt in one or more intervals (depending on the game) to each player, face up. Each player, called an active player, must put chips into the pot in order to stay in the game: a white chip or other light-colored chip is worth one unit; a red chip is generally worth five whites; and a blue chip is usually worth 10 or 20 or 25 whites. If a player wants to remain in the game without placing a bet, they may “check,” but then must either call or raise the stakes of the last active player before them, as described above.
A player who raises the stakes of an active player must make up for this by matching or raising their own bet, but if they do not want to do either of these things, they must fold. Generally, players who have raised the stakes of another player cannot raise them again during that betting interval.
The key to making an article about a game like Poker interesting to read is describing the players’ reactions and by-play with each other. A good way to do this is with the use of tells, which are unconscious habits of a player that reveal information about their hand.