"Taiji Diagram" is a great circle with endless cycles. Because "Tai Chi gives birth to two instruments", there are two pieces of black and white in the circle. Black represents yin and white represents yang, which is called yin-yang fish. Black fish with white eyes and white fish with white eyes mean "yin has yang and yang has yin". This is the so-called "two-meter map".
This is "infinite gives birth to Tai Chi, Tai Chi gives birth to two instruments, and two instruments give birth to three talents (heaven, earth and people; Sun, moon, stars, etc. Three talents give birth to four elephants (from the sun, the moon and the stars). Four elephants contain four seasons), and four elephants give birth to gossip. The "gossip" landlord knows that the old man is no longer wordy!