What does the theory of geomantic omen mean?

Wuzi Deng Ke is one of the five famous houses in ancient and modern times. As the saying goes, the five sons get into the upper part of the exam, and people are rich and prosperous, ranking first in the world.

There are five reasons for its name: first, Kanzhaimen is the home of wolves' greed and anger, as the saying goes: greedy for five sons and giant saburo ... second, congenital number five; Third, (omitted); Fourth, (omitted); 5. Yesterday, Dou Yanshan gave birth to five sons, all of whom were admitted to the subjects and served as officials in the DPRK.