The document defines stylistics and discusses its relationship to linguistics and literary criticism. It provides several definitions of stylistics from different scholars, showing that it involves the scientific study of language variation as well as explaining the artistic functions of language in literature. Stylistics relates both linguistics and literary criticism by analyzing the linguistic choices and features used in literary texts. The document also defines style and discusses debates around whether style should be seen as distinct from content or as unified with it. It outlines different views of what constitutes style and how stylistic features can be classified.