Pragmatics - study of the effect of context on meaning; it is about use of language
Discourse - refers to "a unit of language longer than a simple sentence"
Argumentation - meant to convince an audience that the speaker or writer is correct, using evidence and reason.
Narration - tells a story, often with emotion and emphaty involved.
Description - relies on the five senses to help the audience value something.
Exposition - used to inform the audience of something with relatively neutral language, that is, it is not meant to persuade or evoke emotion.
Expressive - consists of those acts of literary writing that is creative, yet non-fiction. E.g. memoirs, letters, or online blogs.
Poetic - composed of creative, fictional writing. Prioritize emotion, imagery, theme, and character development, metaphor, symbolism. E.g. novels, poems, drama.
Transactional - used to move something into action, such as advertising motivating customers to buy. It does not rely much on literary devices.
Spoken and written discourse differ in terms of grammatical intricacy, lexical density, nominalization, explicitness, contextualization, spontaneity, and repetition, hesitation, and redundancy.
Grammaticalintricacy - more structurally complex & more elaborate (long & more sentences) / less complex & elaborate in terms of structures (short & simples sentences)
Lexical density - more lexically dense / less lexically dense
Explicitness - more explicit / more implicit
Contextualization more decontextualized / more attached to context