What does the direction of Renshan C mean?

On the compass, the whole area is divided into four directions: east, west, north and south, and then divided into eight diagrams, and then divided into 24 mountains (that is, 3 mountains per hexagram). Ren and C are both one of the twenty-four mountains. Ren lives in the north, C lives in the south, and Ren and C are just the opposite. Ren Shan direction C refers to taking Ren Shan to Mount C, which belongs to one of the directions of taking north to south.