court
				   		Enclosed space whose surfaces make up the playing area; it is 40 ft long, 20 ft wide and 20 ft high.
				
 
					
					
					
						referee 
						Official responsible for applying the rules; the referee ensures that the match runs smoothly and rules on contentious points.
				  	
 
					
						line judge 
						The two officials who, at the request of the referee or a player, confirm or reverse the referee’s decision.
				  	
 
					
						door 
						Glass-covered opening used to access the racquetball court.
						
				  	 
					
						backcourt 
						Zone between the short line and the back wall.
				  	
 
					
						floor 
						Horizontal surface that is usually made of wooden slats; the ball may only bounce once on it.
				  	
 
					
						receiving line 
						Line that the receiver stands behind; the receiver may not step over the receiving line until the serve crosses it.
				  	
 
					
						center court 
						Part of the court behind the short line and between the sidewalls; it is a strategic zone that players attempt to control.
				  	
 
					
						service line 
						Line marking the front of the service zone.
				  	
 
					
						service zone 
						Zone where a player stands to serve; the ball must bounce once in this zone before it is served.
				  	
 
					
						service box 
						In doubles play, the server’s partner must stay inside this area until the ball crosses the short line.
				  	
 
					
						service box line 
						Line drawn 18 in from the sidewall that marks the service box at both ends of the service zone.
				  	
 
					
						short line 
						Line dividing the court in half; the serve must cross the short line after bouncing off the front wall.
				  	
 
					
						frontcourt 
						Area between the front wall and the short line.
				  	
 
					
						back wall 
						Wall marking the back of the court behind the players.
				  	
 
					
						sidewall 
						Wall marking the sides of the court.
				  	
 
					
						front wall 
						Wall facing the players; the service is made onto it.
				  	
 
					
						ceiling 
						Horizontal surface making up the upper part of the court; the ceiling is part of the playing area.