In Norse cosmology, the Aesir gods represent a primary pantheon, including deities like Odin, Thor, and Freyja. They are associated with various aspects of life and nature, such as war, fertility, and wisdom. The Aesir are central in many myths narrating their struggles against the Jotunnar (giants) and their roles in the creation and eventual destruction of the world during Ragnarök. Their stories reflect Norse values, including bravery, honor, and the importance of community.