(1) Seven-character quatrain: It is a kind of quatrain, which belongs to the category of modern poetry and consists of four sentences.
(2) Five-character poetry: Five-character poetry, one of the genres of ancient Chinese poetry. Refers to a five-word poem, and the whole poem consists of five words. In terms of syllables, even-odd matching is more musical.
(3) Seven-character ancient poems: Seven-character ancient poems, referred to as seven-character ancient poems for short, are the most vivid in form, the most diverse in genre, the most free in syntax and phonology, and the most expressive in lyrical narrative. The whole poem consists of seven words or seven sentences.
(4) Five-character poetry: Five-character poetry, referred to as five rhymes, is a kind of modern poetry. The whole poem consists of eight sentences, each with five words. There are two basic forms: ascending and descending, and the two couplets must be in dialogue.