1. The five elements of Feng Shui: wind, sand, holes, water, and direction.
2. The Xiangkou you are talking about should refer to "Xiang" and "Shuikou".
3. Feng Shui masters are divided into high, medium and mediocre levels. The senior teacher looks at the stars, the middle teacher looks at the mouth of the water, and the mediocre teacher runs all over the mountain.
4. Generally, if a Feng Shui master can reach the intermediate level, it is already very good.
5. Most of the current Feng Shui is based on the vertical direction of the water outlet, that is: first determine the water outlet and then determine the "direction" according to the position of the water outlet to determine the location of the acupoints.