Poetry talk formally appeared in the Song Dynasty, defining poetry talk.

Poetic talk is a unique form of China's ancient poetry discussion. Poetry talk in a narrow sense refers to the script of poetry, that is, the story and prose style about poetry, such as Ouyang Xiu's "Poetry Talk on June 1", while poetry talk in a broad sense refers to the critical style of poetry. It rose in the Northern Song Dynasty, which was the product of the highly developed ancient poetry system in China, especially the regular poetry in the Tang Dynasty, and changed the original pattern of ancient literary criticism in China.

That's about it. If you have any questions, just ask!