What category do auditorium chairs fall into?

What category do auditorium chairs fall into?

Auditorium chairs can be used as a type of public seating category, which belongs to the indoor seating of public seating. According to the classification of the environment, public seats are divided into two categories: indoor and outdoor. For example, park seats, bus station seats and other seats in outdoor public areas are outdoor public seats, airport chairs, station chairs, auditorium chairs, and hospital chairs are indoor public seats.

If according to the material category: auditorium seats can be metal seats, wooden seats, leather seats, velvet seats, etc.

According to the category of activity: auditorium chairs are fixed seats.