This context can be relatively narrow, such as the immediate textual surroundings (referred to as a 'secondary norm'[4]) or wider such as an entire genre (referred to as a 'primary norm'[5]). Foregrounding can occur on all levels of language[6] (phonology, graphology, morphology, lexis, syntax, semantics and pragmatics). It is generally used to highlight important parts of a text, to aid memorability and/or to invite interpretation.