A couch, also known as a sofa, settee, chesterfield, or davenport, is a cushioned item of furniture for seating multiple people. It is commonly found in the form of a bench with upholstered armrests and is often fitted with springs and tailored cushion and pillows. Although a couch is used primarily for seating, it may be used for sleeping. In homes, couches are normally put in the family room, living room, den, or lounge. They are sometimes also found in non-residential settings such as hotels, lobbies of commercial offices, waiting rooms, and bars. Couches can also vary in size, color, and design.

Furniture refers to objects intended to support various human activities such as seating, eating (tables), storing items, working, and sleeping. Furniture is also used to hold objects at a convenient height for work, or to store things. Furniture can be a product of design and can be considered a form of decorative art. In addition to furniture's functional role, it can serve a symbolic or religious purpose. It can be made from a vast multitude of materials, including metal, plastic, and wood. Furniture can be made using a variety of woodworking joints which often reflects the local culture.