It is said that there is a feng shui pattern of "jade belt wrapped around the waist" in Ole Town, Wangcheng District. What does this mean?

There is a road or a river supporting the house, which is called jade belt around the waist. In ancient times, officials' belts were semicircular.

Jade belt wrapped around the waist is a prosperous wealth.

In the attached drawing, the jade belt is wrapped around the waist (good) on the top, and the jade belt is wrapped around the waist on the bottom (bad).