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A pool is a contained area filled with water, designed for swimming, diving, or other water-based activities. It can be located outdoors or indoors and varies in size and shape, ranging from small residential pools to large public or competition pools. Pools are often divided into sections for different activities, such as lap swimming or leisure swimming. They are equipped with features like ladders, diving boards, and sometimes water slides. Pools are commonly used for exercise, relaxation, sports, or recreational fun.

A track is a specific route or surface where races take place. It can refer to a variety of surfaces, such as an oval for motorsports, a straight or looped path for cycling, or a specially designed course for horse racing. A track is typically made of materials that provide good grip and safety for the vehicles or athletes participating in the race. Depending on the type of race, tracks can be built with different features, such as turns, straightaways, and sometimes obstacles, to create a challenging course for the competitors.

A gymnasium is a large indoor facility used for physical activities and sports, such as basketball, volleyball, and gymnastics. It typically features a hard floor or specialized surface, and may include equipment like basketball hoops, volleyball nets, and gymnastic apparatus. Gymnasiums are commonly found in schools, universities, and fitness centers, serving as a space for physical education classes, sports practices, and recreational activities. Some gymnasiums also host events, such as competitions, performances, and community gatherings.