auxiliary verb - a verb that supports or 'helps' another; it shows tense or modality
connotation - an associated, symbolic meaning relying on culturally shared conventions
constraints - ways in which powerful participants may block or control the contributions of less powerful participants, for example through controlling content or interrupting
convention - an agreed or shared convention
covert prestige - a form of high status given to non-standard forms
deixis - lexical items that 'point' towards something and place words in context
denotation - a strict 'dictionary' meaning of a lexical item
descriptive attitude - focuses on how language is actually used
prescriptive attitude - focuses on how language should be used and any other form is 'deviant'