What's the difference between the outlet in geomantic omen and dehydration?

Know the water outlet and water inlet. Generally speaking, water always goes in and out, depending on its flow direction. The way is to stand on the cave hill and see the places of interest. Where the water comes from is the water inlet. Water flows where it comes from. That water connection is a water outlet or a water inlet.

Immortality or emperors enter the water, and the water dies and becomes famous. The difference between them is that Wangshui came to Korea in order to blend in with Wangshui and achieve the effect of Wangshui. In layman's terms, it is to let the declining water come out of the hall, instead of letting the prosperous water run away and leaving the prosperous water in the famous hall.