How many poems are there in The Book of Songs? How is it classified?

& lt The Book of Songs is China's first collection of poems, which contains 305 poems from the early Western Zhou Dynasty to the mid-Spring and Autumn Period, so it is also called or, and it can be divided into & ltYa > and< ode >. includes 15, mainly folk songs, *** 160. Divided into and, mainly court music songs written by literati, *** 105. Contains,< truffle >,< shangsong >, etc. , is a music song for ancestral temple sacrifice, with 40 songs. Judging from the number of lines, it can be divided into (quatrains) and (regular poems); Judging from the number of words, it can be divided into (five-character) poems and (seven-character) poems. If both are taken into account, they can be divided into (five skills), (five methods) or (seven skills) and (seven methods). Specific instructions are as follows. Five unique skills: five sentences per sentence, four sentences per song, * * * twenty degrees. Five methods: five sentences per sentence, eight sentences per song, and * * * forty words. Seven lines: seven sentences per sentence, four sentences per song, * * * 28 words. Seven laws: seven sentences per sentence, eight sentences per song, * * * 56 words. Accurately speaking, metrical poetry should also include arrangement. Arrange ten or more sentences for each song, and each sentence is generally five words. Poetry is usually divided into ancient poetry and modern poetry. Classical poetry, also known as archaism, has free style and changeable rhyme. The requirements for leveling are not very strict, and the number of words can be different. Famous artists include Li Bai's It's hard to get into the wine, Bai Juyi's Pipa and Song of Eternal Sorrow. Du Fu's Three Officials and Three Partings. Modern poetry, also known as metrical poetry, is rigorous in style and has strict requirements on rhyme and flatness. According to the number of sentences, it can be divided into four quatrains and eight metrical poems; According to the number of words, it is divided into five-character poems and seven-character poems. Every two poems are called a couplet. In this way, quatrains have two couplets, and metrical poems have four couplets. It should be noted that the two couplets (2,3 couplets) in the middle of a metrical poem must be antithetical sentences, otherwise it is not a metrical poem. The Book of Songs has the theory of "four beginnings and six meanings" for the classification of poetry. "Four Beginnings" refers to four top poems: Feng, Elegance, Ode. "Six meanings" refers to "wind, elegance, praise, fu, comparison and glory". "Style, elegance and praise" are the classification of the Book of Songs according to different music, and "Fu, Bi and Xing" are the expressions of the Book of Songs. Generally speaking, it is ancient poetry, modern poetry and modern poetry.