Elahi Furniture

A couch, also known as a sofa or settee, is a piece of furniture for seating two or three people in the form of a bench, with armrests, which is partially or entirely upholstered, and often fitted with springs and tailored cushions. Although a couch is used primarily for seating, it may be used for sleeping

A divan (Turkish divan, originally from Persian devan^[1]) is a piece of couch-like sitting furniture or, in some countries, a box-spring based bed.
Primarily, in the Middle East (especially the Ottoman Empire), a divan was a long seat formed of a mattress laid against the side of the room, upon the floor or upon a raised structure or frame, with cushions to lean against.