In ancient geomantic omen, what did the so-called dragon, bureau and water mean respectively? Which refers to the population? Which refers to fame? Which way to make money?

Ancient geomantic terms include "dragon, cave, sand, water, direction and bureau". "Dragon" refers to the direction of mountains; "Cave" refers to a burial pit; "Sand" refers to the mountains around Fenshan; "Water" refers to the flowing potential of lowlands or water; "Xiang" refers to the sitting direction of the mountain; "Bureau" refers to the situation in front of the grave. Ancient geomantic omen paid attention to the truth of dragons, the truth of caves, the ring of sand, the embrace of water, the right direction and the right position. Feng Shui believes that "Wang Sha prospers people and water prospers", that is, the surrounding mountains are good and future generations are prosperous; When the flow of water conforms to the pattern, wealth will flourish. As for fame, I will ask for it on the day of burial.