Chair
A Chair is a piece of furniture that is usually made out of wood or plastic. It can also be made out of fabric, metal, wool, and stone. There can be different variants of chairs like stools, rocking chairs, gaming chairs, folding chairs, and armchairs. There are also wide variety of chairs, those with fabric are often called sofas, or couches, while those many without fabric are often referred to as benches. There are also less conventional chairs such as bean bag chairs and swinging chairs.
Chair Media
Chair, c. 1772, mahogany, covered in modern red morocco leather, height: 97.2 cm, Metropolitan Museum of Art (New York City)
The Coronation Chair, c. 1300
The Monobloc chair is a lightweight stackable polypropylene chair, usually white in colour, often described as the world's most common plastic chair.
Metal chairs in the Tuileries Garden, Paris, France
The type of chair popular in western Hubei, China: with a fairly low seat and the back inclined at about 45 degrees from the vertical
My photograph of my own kneeling chair.*These chairs were the first piece of furniture designed to use with computers, and were called computer chairs. They were suposed to help you avoid the back problems associated with sitting in a constant hunched over condition. They usually had a rocker base, so that you could adjust your position by leaning slightly forward or back.
Other websites
Media related to Chair at Wikimedia Commons