2. "Wind" refers to the national wind, that is, the folk songs of various countries in the Western Zhou Dynasty.
3. "Ya" is the music song of Zhou Jingdi, which was called Xia by Zhou people. In ancient times, it was elegant and universal in summer, so it was called this.
4. "Elegance" is divided into elegance and indecency, and its meaning is similar to that of later Daqu and Xiaoqu.
5. "Ode" means to describe and praise, and it was a music song when the rulers sacrificed.
6. The so-called Fu, Bi and Xing are the main manifestations of The Book of Songs.
7. "Fu" means to elaborate and state things directly without metaphor.
8. "Comparison" is a metaphor, comparing one thing with another.
9. "Xing" means association, touching the scene and being excited by things.
10. This artistic expression is the main visualization method of poetry creation, which has a profound and far-reaching impact on poetry creation in later generations.