“Indoor” refers to anything that takes place or is situated inside a building or enclosed space, as opposed to outdoors. This term is commonly used to describe environments, activities, and objects that are primarily designed for use within structures such as homes, offices, schools, gyms, and other indoor facilities. Indoor spaces are typically characterized by controlled conditions such as temperature, lighting, and air quality, which can vary significantly from those found in outdoor settings. Activities that are designated as “indoor” might include sports (like basketball or bowling), events (like concerts or meetings), and hobbies (such as crafting or reading). The concept of “indoor” plays a significant role in areas like architecture, design, and event planning, emphasizing the importance of creating comfortable and functional spaces for various purposes.