An English sonnet is a specific type of poem that follows a distinct structure and rhyme scheme. It is also sometimes called a Shakespearean sonnet, named after the famous playwright who wrote many sonnets in this style. Some synonyms for English sonnet may include simply "sonnet," "Shakespearean sonnet," "Elizabethan sonnet," or "traditional sonnet." These synonyms all refer to variations of the same form, with 14 lines of iambic pentameter and a specific rhyme scheme, typically ABAB CDCD EFEF GG. While the form may be rigid, the content of an English sonnet can change, focusing on themes of love, beauty, or politics, among others.