A "room" is a defined space within a building, typically enclosed by walls, a ceiling, and a floor. Rooms serve various purposes, such as sleeping, cooking, or working. Common types of rooms include bedrooms, kitchens, and living rooms. The size and design of a room can vary greatly depending on its function and the overall layout of the building. Rooms can be furnished with items like furniture, decor, and appliances to enhance their usability and comfort. They often have windows for natural light and ventilation. The arrangement of furniture within a room can affect its atmosphere and functionality, making thoughtful design important for creating a pleasant environment.