Sweet Scarlet by Cat Stevens is a reflective and sentimental song that delves into themes of love, reminiscence, and the passage of time. The song portrays an intense and almost wistful affection for someone named Scarlet, whom the narrator remembers fondly. Key themes include the fleeting nature of beauty and memories, as well as the bittersweet emotions tied to remembering someone who might no longer be part of one's life. Poignant moments in the song include vivid descriptions of Scarlet’s presence and the impact of her absence, creating a deep sense of nostalgia and longing.