Metre (poetry) of over some two-and-a-half millennia. Beginning with the earlier recorded forms: the Classic of Poetry tends toward couplets of four-character lines, grouped in rhymed quatrains; and, the Chuci follows this to some extent, but moves toward variations in line length. Han Dynasty poetry tended towards the variable line-length forms of the folk ballads and the Music Bureau yuefu. Jian'an poetry, Six Dynasties poetry, and Tang Dynasty poetry tend towards a poetic metre based on fixed-length lines of five, seven, (or, more rarely six) characters/verbal units tended to predominate, generally in couplet/quatrain-based forms, of various total verse lengths. The Song poetry
Stanza ice-bound, Changed into weeping willows, sweep the ground; Dead boughs take root in ponds And ferns on windows shoot their ghostly fronds. But vainly the fierce frost Interns poor fish, ranks trees in an armed host, Hangs daggers from house-eaves And on the windows ferny ambush weaves; In the long war grown warmer The sun will strike him dead and strip his armour.</poem> Stanza In poetry, a stanza (; from Italian "stanza" , "room") is a grouped set of lines within a poem, usually set off from other stanzas by a blank line or indentation. Stanzas can have regular rhyme