How does her conversation with the stranger become meaningful for Elisa?

Elisa's conversation with the stranger becomes meaningful as it offers her a glimpse into the possibility of connection and understanding beyond her confined life. Through their exchange, she feels seen and appreciated for her passions, which ignites a sense of hope and longing for something more fulfilling. This interaction challenges her feelings of isolation and prompts her to reflect on her desires, ultimately deepening her sense of self-awareness.