Poker is a card game in which players place bets (representing money) into a pot when it is their turn to act. The player with the highest ranked hand when all bets are revealed wins the pot and all of the chips that were placed into the pot by other players.
In most poker games players must ante something to get their cards dealt and then each player places bets in turn according to the rules of the game being played. When betting gets around to a player that has not already acted and they have a strong enough hand they can choose to call the bet or raise it. If they raise the bet then other players must either call it or fold.
When a hand is dealt it usually contains two of the player’s personal cards and five community cards that can be used by all players. Some poker games allow players to draw replacement cards if they are not happy with their current hand.
One of the biggest mistakes beginner poker players make is thinking about their opponent’s hands individually. Trying to put your opponent on specific hands will likely only lead to you making bad calls and losing chips. A better way to think about your opponents is in ranges. This means that you consider the number of hands that they will play in a given spot, and how often they will be right or wrong. Eventually this kind of calculation will become instinctive for you and you will be able to make quick decisions based on your opponent’s tendencies.