The document is an introduction to sonnets that defines what a sonnet is, describes its typical structure, and provides instructions for writing one. It notes that a sonnet originated in Italy as a "little song" and consists of 14 lines following a rhyme scheme. The structure includes 3 quatrains and a couplet, with each line having 10 syllables in iambic pentameter. Examples of a sample sonnet and instructions for writing one are also provided.