balls behave behavior behaviour communicate communication denied golf golf-balls golf-club golf-course golfers golfing not-allowed not-permitted permission-denied prohibited prohibition removal removal-prohibited restricted restriction restrictions sign warning artistic ball black crater craters golfer orb sphere spheres sport sports white concept golf ball grass green idea play shadow sponge square texture water yellow club courses close closeup game games greens miniature near putt putting golf-links hobby range amateur competition match professional red tee 3D golfball illustration leisure outside foam round stripe vibrant