maxim of relevance

maxim of manner

be clear, brief, and orderly; avoid obscurity and ambiguity

presupposition

something assumed to be true for an utterance to make sense

register

a variety of language appropriate to a particular context

code-switching

alternating between languages or varieties within a conversation

illocutionary

the intended action performed by an utterance (requesting, promising)

perlocutionary

the effect an utterance has on the listener