"dia" is a Chinese character. At the same time, it is also one of the basic strokes of Chinese characters-dot. It can also be used as a symbol and punctuation mark when the ancients read sentences.
Hey, polyphony, pronounced as gǔn, SH, yρ, means "linking up and down". It's also an ancient surname.
Detailed introduction:
Symbol is a symbol used by people to refer to an object, which can include all phenomena that express meaning through feeling in any form. In these phenomena, what can be felt is the embodiment of the object and its meaning.
For example, "=" is an equivalent symbol in mathematics, the Forbidden City is a symbol of ancient imperial power in China, China is a symbol of People's Republic of China (PRC), and the Bolsheviks are a symbol of * * * producers.