paint, key - (basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court; "he hit a jump shot from the top of the key"; "he dominates play in the paint"

line - in games or sports; a mark indicating positions or bounds of the playing area

skittle alley, alley, bowling alley - a lane down which a bowling ball is rolled toward pins

line - in games or sports; a mark indicating positions or bounds of the playing area

ball field, baseball field, diamond - the baseball playing field

line - in games or sports; a mark indicating positions or bounds of the playing area