What are the contents of three lines of ancient poetry?

Three lines of ancient poetry are three-body poems, that is, poems written in three-line genre. Three-line poems have been written since ancient times. Poetry with this theme can be seen in the history of poets. Among them, The Divine Comedy, the masterpiece of Renaissance poet Dante, is a poem with the most three-line rhythm. 100 songs in The Divine Comedy are all written with "three-line rhythm" or "three-line chain rhyme". Each song is composed of three-line poems that are linked by one ring and linked by one ring.