Tercet in the 16th century. It was employed by Shelley and is the form used in Byron's "The Prophecy of Dante". Tercet A tercet is composed of three lines of poetry, forming a stanza or a complete poem. English-language haiku is an example of an unrhymed tercet poem. A poetic triplet is a tercet in which all three lines follow the same rhyme, AAA; triplets are rather rare; they are more customarily used sparingly in verse of heroic couplets or other couplet verse, to add extraordinary emphasis. Other types of tercet include an enclosed tercet where the lines rhyme in an
Classic of Poetry for much of Chinese history. One of the characteristics of the poems in the "Classic of Poetry" is that they tend to possess "elements of repetition and variation". This results in an "alteration of similarities and differences in the formal structure: in successive stanzas, some lines and phrases are repeated verbatim, while others vary from stanza to stanza". Characteristically, the parallel or syntactically matched lines within a specific poem share the same, identical words (or characters) to a large degree, as opposed to confining the parallelism between lines to using grammatical category matching of the words in one line with