Functional linguistics

Functional linguistics explains linguistic structures and patterns through the communicative and social purposes they serve. It treats language as a resource shaped by use.

Language function: A purpose served by language, such as conveying information, managing interaction, or expressing attitudes. Functional linguistics explains forms by the purposes they serve.
Systemic functional linguistics: A linguistic theory that models language as a network of choices shaped by social context and meaning. It develops a detailed account of how social purposes organize grammatical choices.
Michael Halliday: A British linguist who developed systemic functional linguistics. His model connects grammatical choices to social contexts and meanings.
Word order: The arrangement of words in a sentence, especially the ordering of subjects, verbs, and objects. Information flow and processing pressures help explain why languages order constituents differently.
Generative grammar: A family of theories modeling grammar as a formal system that generates or licenses sentences. It often treats grammatical structure as more autonomous from communicative function.
Linguistic typology: The comparative study of structural patterns across the world's languages. Cross-language patterns help distinguish functional pressures from language-specific conventions.
Functional Discourse Grammar: A model of grammar that derives linguistic forms from communicative intentions and discourse structure. It traces how discourse-level intentions are mapped onto linguistic expression.
André Martinet: A French linguist known for functional explanations of phonological change and language structure. His work made communicative efficiency central to functional analysis.
Voice (grammar): A grammatical system that varies how a clause presents participants and their roles. Choices such as active and passive voice serve different discourse purposes.
Formal linguistics: The analysis of language through explicit models of linguistic structure and well-formedness. Its emphasis on formal properties contrasts with explanations grounded in language use.

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