What are the haiku, icon and elegy in the Book of Changes?

Haiku, Haiku, is a text about the meaning of hexagrams in the Book of Changes, also called "hexagrams".

Xiang Ci is a part of Kun Gan Yi quoted by Zhou Wenwang in Shang Dynasty as evidence.

Yi Ci belongs to the sixty-four hexagrams in the Book of Changes. Words are the main part of each hexagram.

Extended data:

The Book of Changes refers to Lianshan, Ghost Stories and Zhouyi. Among them, Lianshan and Guizang have been lost, and there is only Zhouyi in the world. In "Twelve Years of Zuo Gong", King Chu Ling praised Zuo's leaning item: "Good history, good reading, can read three graves, five classics, eight articles and nine hills."

The Book of Changes is essentially a book about changes, which has long been used as "divination". Later generations know more about his philosophy, thus becoming a profound dialectical philosophical work. "Divination" is to predict the development of future events, and The Book of Changes is a book that summarizes the laws and theories of these predictions. The Book of Changes is an outstanding representative of China culture.

The Book of Changes understands and grasps the world from a holistic perspective, and holds that man and nature are an interactive organic whole. That is, "the unity of heaven and man." The Book of Changes is divided into three parts: Lianshan in the period of Emperor Wu of the Han Dynasty, Tibet in the Zhou Dynasty and Zhouyi, also known as "Three Changes".

References:

Baidu encyclopedia-Yijing