"Meng" and "national mourning" are poetic styles. The Book of Songs is the earliest collection of poems in China, which contains about 500 years of poems from the early Western Zhou Dynasty to the middle of the Spring and Autumn Period (1 1 century to the 6th century). There are six books in The Book of Songs, among which "National Style" is a collection of folk songs, including, Yi, Wei, Wang, Zheng, Qi, Wei, Tang, Qin, Chen, Qi, Cao and Yi. Mang belongs to the Book of Songs Feng Wei Mang and is a narrative poem. National mourning belongs to nine songs, which is a memorial song for the fallen soldiers.
Mencius and Zhuangzi are prose styles. Mencius is a book that records the words and deeds of Mencius and his students. List Confucian classics and merge them with The Analects of Confucius (University and the Doctrine of the Mean) to form the four books after the Southern Song Dynasty.
On Learning and Light of Elk are argumentative genres.