Classical Chinese poetry forms developing a complete poetic concept; this is, indeed, especially the case with the five-character line version. Also known as the Five-character-quatrain, this form of regulated verse is characterized by four lines of five characters each. Also known as the Seven-character-quatrain, this is a form of regulated verse with four lines of seven characters each. While embracing all, or most of, the "lushi" rules and regulations the "pailu" allows for a number of linked couplets with no maximum upward limit. A strict emphasis on formal parallelism is typical of the "pailu" form. Poems based on traditional structures, originally meant as lyrics
Poetry have challenged the traditional definitions of the sonnet form, rendering entire sequences of "sonnets" that often lack rhyme, a clear logical progression, or even a consistent count of fourteen lines. "Shi" () Is the main type of Classical Chinese poetry. Within this form of poetry the most important variations are "folk song" styled verse ("yuefu"), "old style" verse ("gushi"), "modern style" verse ("jintishi"). In all cases, rhyming is obligatory. The Yuefu is a folk ballad or a poem written in the folk ballad style, and the number of lines and the length of the lines could be irregular. For the