Rubaʿi Rubaʿi Rubāʿī (from "rubāʿiyy", plural "rubāʿiyāt") is the term for a quatrain, a poem or a verse of a poem consisting of four lines. It refers specifically to a form of Persian poetry, or its derivative form in English and other languages In classical Persian poetry, the "ruba'i" is written as a four-line (or two-couplet) poem, with a rhyme-scheme AABA or AAAA. This is an example of a "ruba'i" from Rūmī's Dīwān-i Shams": The usual metre of a Persian "ruba'i", which is used for all four lines of the above quatrain by Rumi, is as follows: In the above scheme,
Tercet 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 ABA pattern and terza rima where the ABA pattern of a verse is continued in the next verse by making