epic poem is a long, narrative poem that is usually about heroic deeds and events that are significant to the culture of the poet.
An example of this would be Beowulf; which is an epic poem because it tells of his battles against the Grendel and his mother.
2-Narrative is a poem that tells a story complete with a narrator and many characters; usually written with a metered verse although not always rhythmic.
An example of this would be the Poetic Eddas.
3-Ballad is a narrative poem that tells of a person or event, it usually is rhymed and has a repeated refrain and is often sang by the reader.
An example of this