Sociolinguistics is a branch of linguistics that investigates the relationship between language and social factors, analyzing how linguistic forms and patterns vary and are distributed across speakers, groups, and situations within a speech community ^[1][2][3]. It focuses on systematic correlations between language use and variables such as social class, gender, age, ethnicity, network, and setting, treating these correlations as central objects of linguistic description ^[2][3]. Sociolinguistics examines both structural aspects of language—such as phonology, morphology, syntax, and lexis—and interactional features like discourse organization and pragmatic choices, insofar as they are conditioned by social organization and social meaning ^[2][3]. The term delineates the field concerned with language variation, change, and use in their social context, distinguishing it from purely formal linguistics that abstracts away from social factors, and from general social theory that does not systematically analyze linguistic form ^[1][2][3].