Are the shaking movements of belly dancing collectively called sago? What is the general term for wave action?

Hip jitter can be collectively referred to as sago. If subdivided, there are many kinds, such as erect sago, walking sago, kneeling sago and so on.

Wave action, the wave action of the chest is camel, and the camel faces the camel, and the size and amplitude are adjusted by itself. In addition, there are also wave movements on the shoulders, such as wave hands and cobra arms.