What is the name of the symbol attached to the human head?

Combining two single hexagrams up and down is one of the 64 hexagrams, which is called hexagrams.

Gossip is the foundation of the Yi-ology system. The pre-Qin Yi-ology was mainly "three changes", namely, Lianshan in Xia Dynasty, Tibet in Shang Dynasty and Zhouyi in Zhou Dynasty. Later generations are familiar with Zhouyi, which can be divided into Yijing and Yi Zhuan.

Gossip represents China's early philosophical thoughts. Besides divination and geomantic omen, their influence also involves Chinese medicine, martial arts, music and mathematics.

Congenital eight diagrams usually appear with Taiji diagrams. Taiji and Wuji represent the ultimate noumenon "Tao" of China's traditional beliefs (Confucianism and Taoism).

Gua-shaped memory song: In the Song Dynasty, Zhu wrote "The Eight Diagrams Taking Images Song" in the original meaning of Zhouyi to help people remember Gua-shaped memory: three years of hard work, six broken Kun; Shake the jar and cover the bowl; Empty in the middle and full in the middle; Change the shortage, change the shortage, and break it. Types of gossip: divided into innate gossip, Zhongtian gossip and acquired gossip.