Epic: An extended narrative poem, usually simple in construction, but grand in scope, exalted in style, and heroic in theme, often giving expression to the ideals of a nation or race. NOTE: Homer, the author of The Iliad and The Odyssey, is sometimes referred to as the "Father of Epic Poetry." Based on the conventions he established, classical epics began with an argument and an invocation to a guiding spirit, then started the narrative in medias res. In modern use, the term, "epic," is generally applied to all lengthy works on matters of great importance. (See also chanson de geste, cycle, epopee, epos, heroic quatrain) (Compare ballad, narrative, tragedy) (Contrast mock-epic)