Basketball is a popular sport played by millions of people worldwide. It is a fast-paced game that requires a combination of physical agility, skill, and strategy. The game is typically played by two teams of five players on a rectangular court, with the objective of shooting a ball through a hoop 18 inches （46 cm） in diameter and mounted at a height of 10 feet （3.048 m） to backboards at each end of the court.

A team can score a field goal by shooting the ball through the basket being defended by the opposition team during regular play. The game is divided into four quarters, each lasting 10 minutes. The team with the most points at the end of the game wins.

Players can dribble, pass, and shoot the ball, with the goal of scoring points. They can also use various techniques such as rebounds, blocks, and steals to gain an advantage. The team with the most rebounds at the end of the game wins.

Basketball is governed by a set of rules that are designed to ensure fair play and safety. These rules include regulations on player conduct, equipment, and the game itself. For example, players must dribble the ball while walking or running, and they must not intentionally foul their opponents. The game is also subject to time limits and other technical rules.

In addition to the regular game, basketball also includes various competitions and tournaments, such as the NBA （National Basketball Association） and international competitions like the Olympics. These competitions are governed by their own sets of rules, which may differ slightly from the basic rules of the game.

Overall, basketball is a exciting and challenging sport that requires a combination of physical and mental skills. Its popularity continues to grow, with millions of fans around the world enjoying the game both recreationally and competitively.