Sofa or bench refers to the furniture that can be placed by three or more people in the form of bench, with or without armrest, partially or completely equipped with cushions, usually equipped with springs and customized cushions. Although the sofa is mainly used for seats, it can also be used for sleep.

In the family, sofa is usually found in the family activity room, living room, study or lounge. They are also sometimes found in non residential environments, such as hotels, lobby of business offices, waiting rooms and bars.

The term "sofa" is used in North America, South Africa and Australia, while the term "sofa or bench (U and Non-u)" is commonly used in the UK. The word originated from medieval English, from the ancient French NOUN couche, from the verb "lie down". It originally referred to a reclining or sleeping furniture, a bit like a reclining chair, but now it usually refers to a sofa. [reference required]

Other terms that can be synonymous with the above definitions are Chesterfield (Canada), divan, Davenport, lounge and canap?. The word sofa comes from Turkish. It comes from Arabic "suffa", which stands for "wool". It comes from Arabic "sippa", which stands for "cushion". The word settee comes from the Old English word "setl", which is used to describe the bench with high back and arms, but now it is usually used to describe the upholstered seat.