Genre- cannot be defined/classifide but it can be characterized: dynamic, social, ideological, historical, situated, rhetorical, cultural
-fixed and fluid
Natural: we do all the time
forms= not natural
genres build off genres
-genre chains
-antecedent: the genre parent to a genre offspring
ex of genre chain: culinary artist, cookbook, cooking show, recipe copying by watcher, recipe used by child at wedding
rhetoric is defined by choice
-sources available