This simple practice is called "Cloud Hands" or "Waving Hands Like (or through) Clouds".
It teaches you how to connect and move your body as one whole unit.
What does the name make you think of? Visualize? Imagine?
The names give us clues as to the intention behind the movement and the feeling we're looking for.
Share in the comments your interpretation. You are most likely on the right track.🙏