Poker is a card game that can be played by two to seven players. It is usually played with a 52-card English deck of cards and may or may not include one or more jokers/wild cards, depending on the variant being played. Players play as individuals, not in partnerships and betting is done with chips that represent money.
There are many different poker variants but all share some basic rules. Once the cards are dealt each player must make a bet, either placing chips into the pot (representing money, for which poker is almost invariably played) or cash, based on their evaluation of the expected value of their hand against other hands at the table. The person who makes the best five-card hand wins the pot.
After the first betting round is over the dealer deals three more cards face-up to the table that any player can use. These are known as the flop. A new betting round takes place.
If you think your poker hand is strong, then you should bet and raise to put pressure on your opponents to fold before they have a good chance of having a winning poker hand. However, don’t over-play your hands and always be aware of the strengths and weaknesses of each one.
Over time you will get an intuition for things like frequencies and EV estimation so that they become automatic considerations in your poker mind. Likewise, your instincts for when to aggressively attack and when to play defensively will improve as you experience more poker hands and watch the actions of experienced players.