Rubaʿi the convention is sometimes extended so that the unrhymed line of the current stanza becomes the rhyme for the following stanza. The structure can be made cyclical by linking the unrhymed line of the final stanza back to the first stanza: ZZAZ. These more stringent systems were not, however, used by FitzGerald in his "Rubaiyat". 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
Epic poetry rhyme royal, though in the 16th century the Spenserian stanza and blank verse were also introduced. The French alexandrine is currently the heroic line in French literature, though in earlier periods the decasyllable took precedence. In Polish literature, couplets of Polish alexandrines (syllabic lines of 7+6 syllables) prevail. In Russian, iambic tetrameter verse is the most popular. In Serbian poetry, the decasyllable is the only form employed. Epic poetry An epic poem, epic, epos, or epopee is a lengthy narrative poem, ordinarily involving a time beyond living memory in which occurred the extraordinary doings of the extraordinary men and women