Sonnet•the word sonnet is derived from the Italian word “sonetto,” which means a “little song” or small lyric. In poetry, a sonnet has 14 lines, and is written in iambic parameter. Each line has 10 syllables. It has a specific rhyme scheme, and a volta, or a specific turn. The rhyme scheme in English is usualy abab-cdcd-efef-gg, and in Italian abba-abba-cde-cde.SONNETS CAN BE CATEGORIZED INTO SIX MAJOR TYPES:•Italian Sonnet•Shakespearean Sonnet•Spenserian Sonnet•Miltonic Sonnet•Terza Rima Sonnet•Curtal SonnetFunctions of SonnetThe sonnet has become popular among different poets because it has a great adaptability to different purposes and requirements. Rhythms are strictly followed. It could be a perfect poetic style for elaboration or expression of a single feeling or thought, with its short length in iambic pentameter.