Curtains by Elton John is a reflective song that delves into themes of nostalgia, closure, and the passage of time. It speaks to the end of an era or the concluding chapter of a significant period in one's life. The lyrics evoke images of looking back on past experiences with a mix of sentimentality and acceptance. Key themes include personal growth, memories of the past, and bittersweet farewells. Particularly poignant moments in the song come when Elton John poignantly addresses the curtains closing, symbolizing the end of a significant phase and the transition to whatever comes next.