1. Classical poems, including ancient poems (poems before Tang Dynasty), songs of Chu and Yuefu poems. The titles of the poems are Song, Song Xing, Yin and Qu.
Poetry in the genre of ancient poetry such as "Yin" also belongs to ancient poetry. Classical poetry does not talk about antithesis and rhymes freely. The Development Track of Classical Poetry: The Book of Songs →
Chu ci → Han fu → Han Yuefu → folk songs in Wei, Jin, Southern and Northern Dynasties → Jian 'an poems → Tao poems and other literati five-character poems → ancient style new Yuefu in Tang Dynasty.
2
Modern poetry includes metrical poems and quatrains. Poetry is divided into five-character quatrains, seven-character quatrains, five-character poems and seven-character poems.
3. Laws are rules and regulations. Metric poetry is also called metrical poetry. It was called "Modern Poetry" or "Modern Poetry" in the Tang Dynasty. Rhyme is the most rigorous poetic genre in China's classical poetry. Each four-sentence song is called quatrains, eight-sentence songs are called metrical poems, and more than eight sentences are called rhythms. Each five-character quatrain is called five-character quatrain, which is referred to as five-character quatrain for short. Each seven-character quatrain is called seven-character quatrain, which is referred to as seven-character quatrain for short. Every five-character rhyme is called five-character rhyme, or five-character rhyme for short. Every seven-character quatrain is called seven-character quatrain, or seven-character quatrain for short.
Therefore, Du Fu's Eight Poems in Autumn is a rhythmic poem, a new poetic style in the Tang Dynasty and a group of modern poems. For reference.