A seat is an object where an individual sits. The term may encompass additional features, such as back, armrest, head restraint but may also refer to concentrations of power in a wider sense. See disa
Seats at Upminster station
A chair is a type of seat, typically designed for one person and consisting of one or more legs, a flat or slightly angled seat, and a back-rest. It may be made of wood, metal, or synthetic materials,
Seat
…The following are examples of different kinds of seat: Armchair, a chair equipped with armrests Airline seat, for passengers in an aircraft…
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