What is the theme in short story dead child?

In "The Dead Child" by Joy Williams, the themes of isolation and the effects of grief are central. The story revolves around a young girl, Fern, who is dealing with the death of her younger brother. The sudden loss creates an overwhelming sense of isolation for Fern, as she struggles to comprehend her emotions and cope with the grief that permeates her family. The story explores how the loss of a loved one can create an emotional chasm that isolates individuals even within their own families.