What are the characteristics of China's poems and songs?

There are generally seven-character quatrains, five-character quatrains, seven-character poems and five-character poems. Its characteristics are: almost every sentence must rhyme, the rhyme foot is unified, and the rhyme feet of long poems such as eight sentences and sixteen sentences are not unique, but they should be close; The number of words is not too strict, such as Li Bai's poem, "Uncle Yun, a farewell book from Xuanzhou" and so on.

Words:

Also known as long and short sentences, lyrics, poems and so on. There are restrictions on aphorisms and formats. Usually, the name of the epitaph determines an emotion, that is, the words written in the epitaph have the same subject thought and emotion. Words also pay attention to rhyme, but they don't all have to rhyme. At that time, there was a soundtrack, but today, the soundtrack has been lost, leaving only words.

Song:

Most of them are (Han) Yuefu and folk songs, and there are not many requirements in format. Mainly to facilitate folk singing and memory.

Fu:

Its characteristics are gorgeous and beautiful rhetoric, some praise morality and folk customs, but most of them describe flowers, grass and beautiful women, which is of practical significance to me.