A backboard is a flat, rectangular surface used in sports like basketball to support the hoop. It is typically made of materials such as glass, acrylic, or wood, and is mounted vertically on a wall or a frame. The backboard helps players rebound the ball and can influence the trajectory of shots taken from various angles. In addition to basketball, backboards are also used in other sports, such as handball and volleyball, where they serve similar purposes. The design and height of a backboard can vary depending on the sport and level of play, ensuring that it meets the specific needs of athletes.