What do the twelve branches, four images, and five shapes in the first chapter of Journey to the West refer to?

The twelve earthly branches are the twelve earthly branches, Chou, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu, Hai and the twelve zodiac animals rat, ox, tiger, rabbit, dragon, Snake, horse, sheep, monkey, chicken, dog, pig.

The four elephants are green dragon, white tiger, red bird and basalt.

The five elements are metal, wood, water, fire and earth.

Extended information:

The Four Symbols originate from ancient Chinese astrology, referring to the Eastern Canglong (Green Dragon), the Western White Tiger, the Southern Suzaku, and the Northern Xuanwu Bagua? Also known as the "Jing Gua" ". The eight basic figures in the "Book of Changes" are symbolized by "one" and "--", and each hexagram is composed of three lines; "one" is yang, and "--" is yin. Qian, Kun, Zhen, Xun, Kan, Li, Gen, Dui and Bagua.

Introduction to Chapter 1 of Journey to the West:

The source of spiritual roots and fertility flows out of the mind and practice the great path?

There are flowers in the sea of ​​Dongsheng Shenzhou proudly. In Guoshan, a fairy stone on the mountain gave birth to a stone monkey. The stone monkey found a stone cave named "Water Curtain Cave" at the source of the stream where he lived, and was hailed as the king by the monkeys. Three to five hundred years later, the stone monkey suddenly cried sadly because life was unpredictable and he would not live long. According to the instructions of an old monkey, Stone Monkey traveled from Nanfanxunzhou to Xiniuhezhou, went up Lingtai Fangcun Mountain, entered Xieyue Sanxing Cave, paid homage to the Patriarch Subhuti, and was accepted as his disciple, named Sun Wukong.