The umpire is the official who is responsible for overseeing a squash match and ensuring that the rules of the game are followed.

The scorer is the official who is responsible for keeping score during a squash match.

The marker is the official who is responsible for marking the ball during a squash match.

The court is the area where the players stand during a squash match.

The service box is the area where the players serve the ball from.

The back court is the area behind the service box.

The front court is the area in front of the service box.

The center line is the line that runs across the court, dividing it into two halves.

The service line is the line that runs parallel to the center line, 6 feet from it.

The short line is the line that runs parallel to the center line, 18 feet from it.

The long line is the line that runs parallel to the center line, 21 feet from it.

The service rule is the rule that states that a player must serve the ball from the service box.

The stroke rule is the rule that states that a player must hit the ball before it bounces twice.

The stroke rule is the rule that states that a player can only hit the ball once.

The stroke rule is the rule that states that a player cannot hit the ball with their hand or arm.