A rotating desk chair or office chair with a square cushioned back and wheels, seen at an angle.

Swivel Chair

An armless office chair, facing the side.

Office Chair Facing Side

A seated woman in an office chair, holding a cup of hot drink, while wearing socks without shoes.

A desk chair or office chair with no armrest seen from the side.

An armless office chair seen at an angle.

A rotating office chair with armrests and a curved backrest, facing back at an angle.

An armless chair standing on one leg, such as a hairdresser's chair or office chair.