The so-called "temperament and sex" is about the content and form of poetry in this period.
Style is the aesthetic requirement for the content of the work. "Without emotion, there is no wind in the work and it cannot affect people." (In classical Chinese, wind is education and influence) Bone is an aesthetic requirement for language. "That is to say, the language of the work is concise, commensurate with words and meanings, coherent, forceful and awe-inspiring.