[n] a message that tells the particulars of an act or occurrence or course of events; "his narrative was interesting"; "his stories entertained the children"
[adj] consisting of or characterized by the telling of a story; "narrative poetry"
Narrative poetry is poetry that tells a story. In its broadest sense, it includes epic poetry; some would reserve the name narrative poetry for works on a smaller scale and generally with more direct appeal to human interest than the epic.
communicative, communicatory, narration, story, tale
content, fairy story, fairy tale, fairytale, folk tale, folktale, message, nursery rhyme, sob story, sob stuff, subject matter, substance, tall tale