Poker is a card game played by two or more players. It is a fast-paced game with bets made and raised in the turn of each player. The object of the game is to form the highest ranking poker hand, winning the pot at the end of the betting interval. The pot is the sum of all bets placed by the players in one deal. A poker player may win the pot by having a high-ranking hand, or by making a bet that no other players call, forcing them to fold a superior hand.
The most important thing to remember is that while luck will always play a role, you can improve your skill level enough to overcome luck in the long run. To do this, study strategy books on the game and play in tournaments as much as possible. You should also watch other players play and learn their tells, which are a collection of idiosyncrasies in eye movements, body language, hand gestures, betting behavior etc.
Another great way to improve is to start out at low stakes and slowly work your way up, observing your opponents and learning the flow of the table. Once you have the basics down, try to mix up your play a bit and play some bluffs. This will keep your opponents off guard and make it harder for them to read you. Lastly, study pre-flop range charts so you can make quick decisions in late position.