In Welsh mythology, the figure of Rhiannon embodies themes of sovereignty, mystique, and the intersection of human and divine realms. She is often associated with horses and the moon, symbolizing strength and independence. Rhiannon's stories explore her resilience and the challenges she faces, reflecting female agency in a patriarchal society. As a queen and a mystical being, she also represents the dynamics of love and loyalty. Her narrative serves to illuminate the complexities of relationships and the sacrifices inherent in them.