It reveals Blanche's desire to escape from reality.
Blanche DuBois
Blanche has a fear of darkness and prefers soft, subtle lighting.
It illustrates the inevitable clash between Blanche and Stanley.
Stanley desires a consensual and affectionate encounter with Blanche.
Blanche fabricates stories to create a more idealized version of reality.
It highlights Blanche's inability to accept responsibility for her actions.
Blanche has a history of depending on others for support and validation.
It foreshadows the tragic path that Blanche will embark upon.
The characters have unfulfilled desires and a longing for something more.