"Poetry, Ci, Song and Fu" generally refers to a style that can be recited, but when subdivided, it has its own characteristics.
In ancient times, poetic discord was regarded as "poetry", while harmony was regarded as "Song". Poetry can be divided into ancient poetry, modern poetry and modern poetry (new poetry). Classical poetry refers to the poems before the Han, Wei and Six Dynasties. Its sentence pattern is relatively free, and it doesn't pay attention to antithesis and rhyme. Modern poetry refers to metrical poems and quatrains formed in the Tang Dynasty, including arrangement, which have strict requirements on the number of words, sentence patterns, meter and rhyme. Modern poetry refers to relatively free poetry written in modern Chinese, which can express feelings and eulogize life as needed.
Words are developed from poems, and there is a saying that "words are outside poems", which is filled according to the level, number of words and number of sentences specified by a epigraph, so writing words is also called "filling words". It requires strict rules and regulations, and those with less than 58 words are called "Xiao Ling"; Fifty-nine to ninety words are called "middle tone", and more than ninety-one words are called "long tone".
In ancient times, songs were called "songs" because of chorus, and later they were often called "poems" together with poems. In addition, it also refers to a certain type of poetry, such as "nursery rhymes", "folk songs", "folk songs" and "love songs". They can be read and appreciated like poetry, and they can also be sung in music.
Fu is a style with the characteristics of both poetry and prose. It is characterized by laying out things, emphasizing literary color and using flowery words. The title of "Fu", known as "Ancient Fu" in Han Dynasty, is long, and questions and answers are often used to express the contents of the article. In the Six Dynasties, the names of "Pai Fu" and "Parallel Fu" emphasized parallel couples; The word "law fu" in Tang and Song Dynasties is imperial examination, which pays attention to format and is neat in confrontation.