"Replay" is a song about looking back on life with a sense of nostalgia, cherishing the good moments, and wishing to relive them. However, it also acknowledges the inevitable passage of time and the need to move forward. The song highlights the importance of treasuring memories while not forgetting to appreciate and value what you have in the present. It's a reflection on how we grow and evolve, and how memories, though precious, should not overshadow the significance of the here and now.