What is the name of the middle part of the stairs in the ancient palace?

The middle part of the stairs in ancient palaces is called "stair turntable". As the transition area of stairs, it can stop when going up and down stairs, and can also be used as decoration. In ancient times, the stair turntable was an indispensable part of the palace building, which not only increased the spatial layering of the palace building, but also added a solemn and gorgeous atmosphere to the whole palace.