Which part of The Book of Songs describes local folk customs?

In the Book of Songs, it is the national style that describes local conditions and customs. The Book of Songs is China's first collection of poems, which occupies an important position in the cultural history of China and even the world. The Book of Songs contains 365,438+065,438+0 poems from the early years of the Western Zhou Dynasty to the middle of the Spring and Autumn Period, which are divided into three parts: style, elegance and praise.