sentence1: pun is a way of using the characteristics of the language to cause a word , a sentence or a discourse to involve two or more different meanings .
sentence2: a pun is a form of wordplay in which one sign ( e.g. , a word or phrase ) suggests two or more meanings by exploiting polysemy , homonymy , or phonological similarity to another sign , for an intended humorous or rhetorical effect ( aarons , 2017 ; hempelmann and miller , 2017 ) .