Final answer:
Greek Epic Poetry is characterized by its narrative structure and focus on great heroes, such as those depicted in Homer's The Iliad and The Odyssey. It conveys ancient Greek values and provides a rich tapestry of information about their culture.
Step-by-step explanation:
Greek Epic Poetry is characterized by its defining traits, which include a narrative structure with a single action that is whole and complete, with a beginning, middle, and end. It focuses on the deeds of great heroes, such as those depicted in Homer's epic poems - The Iliad and The Odyssey. These poems celebrate the Greek virtue of arete, which encompasses excellence and success in both moral and physical aspects. Through the epics, ancient Greek values, beliefs, and practices are conveyed, providing insight into the culture of the time.