What categories does China's ancient poetry theory include?

1. Poetic research on the history of poetry; 2. Study on the rhyme and beauty of poetry; 3. Poetry appreciation, criticism, collation, archaeology and collation; 4. Study the classification and forms of poetry, including meter, genre, composition, syntax and typology; ; 5. Study on the artistic conception, image, artistic conception, verve and temperament of poetry; 6. Comparative poetics and poetic logic research; 7. Research on the concept and method of poetry creation.

Poetic theories mainly include Wen Xin Diao Long, Shi Pin, Cang Hua, Poet Yu Xie, Quan Hua, Sui Yuan Shi Hua, and He Lu. Biographical evaluation of various poets and evaluation of various poetry collections;

It involves aesthetics, philosophy, primary school philology, psychology, sociology, social psychology, history and many other disciplines.

I specifically searched the concept of category, which is a philosophical concept. Used here, it probably refers to the words, meanings, images, gods, rhymes, music, aspirations, emotions, sexuality, qi and so on in ancient poetry.