Epos refers to a long narrative poem that often recounts the adventures and deeds of heroic figures. These poems are a significant part of oral tradition and are typically passed down through generations. They often explore themes of bravery, honor, and the struggles between good and evil, reflecting the values of the culture from which they originate. One of the most famous examples of an epos is Homer's Iliad, which tells the story of the Trojan War and the Greek hero Achilles. Epos can also be found in various cultures, such as the Epic of Gilgamesh from ancient Mesopotamia and Virgil's Aeneid from ancient Rome, showcasing the universal appeal of heroic storytelling.