Linguistic Repertoire: The full range of linguistic resources, including languages, dialects, registers, and styles, that members of a speech community can draw upon in their communicative practices.
Linguistic Accommodation: The process by which speakers adjust their language use to better align with the perceived linguistic norms and preferences of their interlocutors or the speech community.
Language Ideologies: The beliefs, attitudes, and assumptions that members of a speech community hold about language and its use, which can influence language attitudes, language policies, and language practices.