sentence: A person demonstrates what hash marks on a basketball court are as well as different basketball play techniques including lay up moves and footwork on the court, using and outdoor court and players as the exhibit. sentence:   A close up of hashmarks is shown on a live, outdoor court, as a finger is seen from the side of the camera pointing to the marks on the court. sentence:   A player is seen on the court demonstrating different layup and basketball moves with lettered templates accompanying the move to explain what they are.