• "To Autumn" by John Keats is an ode to the season, with three stanzas discussing different aspects of autumn
• The poem uses personification to portray autumn as a close friend of the sun, creating images of vitality and abundance
• It celebrates nature's miracles and links autumn to the cycle of life and death
• The poem also reflects on the acceptance of death and decay, using seasonal imagery to convey the inevitability of aging and death
• The theme revolves around the acceptance of the cyclical nature of life, with autumn serving as a metaphor for vitality and decline, and uses literary devices like personification and vivid imagery to convey its ideas

For a deeper understanding and line-by-line explanation of the poem, a PDF is available online, and additional resources can be found on litcharts and poetry foundation.