A dog run is an enclosed area designed to let dogs run around freely and play. There are several synonym words that describe the same concept. A dog park is a large green area where dogs can play, exercise, and interact with other dogs off the leash. Similarly, a dog playground is another term used to describe enclosed areas where dogs can play and socialize with other dogs. A dog exercise area is a designated location for dogs to exert energy and remain active, usually found in parks or public spaces. Lastly, a dog recreation area is an enclosed space that allows dogs to play and exercise in safe and engaging environments.