What does Jia Mu mean?

In ancient times, there was a saying of heavenly stems and earthly branches that A was the first in ancient China, and wood was one of the five elements of China, and it was the first of the ten days. Generally speaking, Jia Mu is dry wood. This kind of wood burns very easily when it meets fire, and it is easy to make a fire. If the fire is very big, then this kind of wood is easy to burn to ashes, so Jia Mu is in danger of being destroyed. In the theory of traditional Chinese medicine, Jia Mu refers to the gallbladder in internal organs. In ancient medicine in China, internal organs were named various heavenly stems, and in fortune-telling theory, it was also said that Jia Mu was alive. Most of these people are professionals.