Gen diagram, located in the seventh of the congenital eight diagrams, ranks the eighth in the acquired eight diagrams. Gen diagram consists of one solid line above and two virtual solid lines below(☶). Gen diagram belongs to Yang diagram.
The gen diagram represents the mountain in nature. It's a Yang Yao(transliteration) on the top and two Yin Yao(transliteration) on the bottom. It's just like a big mountain when it's connected. The mountain is formed by the accumulation of soil. The mountain and the soil have the same characteristics. Therefore, in the five elements, the gen diagram belongs to the five elements of soil; the characters corresponding to the gen diagram include the youngest boy in family and leisurely people; the human organs corresponding to the gen diagram include fingers, bones, nose and back; the location of the gen diagram is northeast; in the acquired eight diagrams, the gen diagram is located between the Kan diagram and the Zhen diagram, so the gen diagram represents the alternation of winter and spring At that time (kan diagram represents winter, Zhen diagram represents spring), gen diagram contains earthly branches which are Yin and Chou, so gen diagram also represents the year, month, day and hour which earthly branche is Yin and Chou; in color, gen diagram represents yellow and khaki.
Gen diagram is the representative of mountain. Mountain has the characteristics of stability and stillness. Therefore, things with these characteristics also belong to Gen diagram, such as people with stubborn character.