What parts can the Book of Songs be divided into in content?

The Book of Songs is China's first collection of poems, with 305 poems from the early Western Zhou Dynasty to the mid-Spring and Autumn Period. The Book of Songs is divided into three parts: Feng (160), Ya (105) and Fu (40). Are all named after music.

1, "wind" means tone. The ancients called it "Qin Opera", "Feng Wei" and "Zheng Opera", just like what we now call Shaanxi Opera, Shaanxi Opera and Henan Opera.

2. "Elegant" means positive. People in the Zhou Dynasty called Zheng Sheng Music Elegant Music, just as people in the Qing Dynasty called Kunqu Music Elegant Music, with the meaning of honorific title. Elegance and elegance may be divided in chronological order.

Ode is a musical song used for ancestral temple sacrifice.