Concepts and Themes in ODYSSEY XENIA (Greek: ξενία) is an ancient Greek concept of hospitality. It is almost always translated as 'guest-friendship' or 'ritualized friendship'. It is an institutionalized relationship rooted in generosity, gift exchange, and reciprocity.[1] Historically, hospitality towards foreigners and guests was understood as a moral obligation. KLEOS and NOSTOS Kleos (Greek: κλέος) is the Greek word often translated to “renown”, or “glory”. The Iliad is about gaining ultimate kleos on the battlefields of Troy while the Odyssey is the ten-year quest of Odysseus’ nostos (or return journey). Telemachus fears that he has been deprived of kleos. Nostos (Ancient Greek: νόστος) is a theme used in Ancient Greek literature, which includes an epic hero returning home by sea. The theme of Nostos is brought to life in Homer’s The Odyssey, where the main hero Odysseus tries to return home after battling in the Trojan War. What is the main point of the Odyssey? Among the themes explored by “The Odyssey” are those of homecoming, vengeance, the restoration of order, hospitality, respect for the gods, order and fate, and, perhaps most importantly, loyalty (Odysseus’ loyalty in persisting in his attempts to return home, even after twenty years, Telemachus’ loyalty, Penelope’s loyalty)