What metaphors and thematic concerns are seen in scene 1 of a streetcar named desire?

The main metaphors and themes in Scene 1 of A Streetcar Named Desire are the names of the streetcars Blanche takes to get to Stella's place. They're called Desire and Cemeteries, which refer to the themes of sex and death that run throughout the play. Stanley and Stella also live in Elysian Fields, which is designed to show that they live in a paradise - but not the kind that Blanche would understand.