How to express "yes" and "arrival" in sign language

Generally speaking, the idioms of the deaf can't mean "yes", such as "who are you", and the idioms of the deaf are "you, who"

How to play Chinese sign language;

Yes: eat with one hand, cooperate with the middle finger and move a little.

Arrival: one thumb and little finger are straight, and the other three fingers clench their fists forward, indicating "arrival";

One thumb and little finger are straight, the other three fingers make fists, and then eat, which means "time is up"