One yuan, two instruments, three talents, four elephants, five elements, six rivers, seven stars, eight diagrams and nine planets, what exactly do they mean?

The second instrument: Yin and Yang. Tai Chi gives birth to two devices, one yin and one yang. Two instruments produce four images.

Four images: Shaoyin, Shaoyang, Taiyin and Sun. Four elephants give birth to gossip.

Bagua: Gan, Kun, Zhen, Li, Kan, Right, Xun, Gen. Paired combinations produced 8864 hexagrams.

Three talents: heaven and earth people

Five elements: golden wood fire, water and earth

Liuhe: Liuhe, from east to west and from north to south, refers to space. There is a martial art called "Eight Wastes and Six Rivers".

Seven stars: The Big Dipper: one Shu Tian, two Tian Xuan, three celestial poles, four celestial bodies, five Yuheng, six Kaiyang and seven Yaoguang.

Nine planets: Tian Pengxing, Tian Ruixing, Tian Chongxing, Tianfu Star, Celestial Star, Tianxing, Tianzhu Star, Renrenxing and Tianyingxing.