What is shelf in the room meaning?

A shelf in a room is a horizontal flat surface that is affixed to a wall or other vertical surface and is used to hold and display objects such as books, decorative items, photos, or storage boxes. Shelves can be made of various materials such as wood, metal, glass, or plastic, and they can be mounted at different heights and lengths based on the user's preferences and needs. They are a common feature in most living spaces, including bedrooms, living rooms, kitchens, and home offices, and they are often used to create additional storage space and to showcase personal possessions.