When gatsby briefly meets daisy's little girl he is somewhat unnerved. symbolically what does the little girl represent?

Daisy's little girl symbolizes the reality of life and the passage of time, which starkly contrasts with Gatsby's idealized vision of the past and his dreams for the future with Daisy. Her presence reminds Gatsby that Daisy's life has continued without him, embodying the consequences of his obsessive pursuit of an unattainable dream. The child also represents innocence and the complexities of adulthood, highlighting Gatsby's discomfort in confronting the tangible realities of his desires.