Jiaxu is a noun representing orientation in the compass gossip, and Jiaxu's boxer direction means sitting in the east-west direction.
There are twenty-four mountains on the compass of Feng Shui theory, namely, Renzigui, Ugly Genyin, Jiamaoyi, Chen Xunsi, Ding, Shen, Geng Youxin and Xu Ganhai. In the twenty-four mountains, every two are opposite, forming a sitting direction, such as Jiaxu, which means sitting in Jiaxu, and the meridian direction refers to Zishan noon.
A and B represent the East, C represents the South, Geng Xin represents the West, Gui Ren represents the North, and Wuji represents the Central Government. From the above analysis, we can confirm that A stands for the East and G stands for the West. Although this knowledge is ancient, it still has fresh vitality.