The lights in the song are the innocence and the purity of heart and emotions, they get corrupted with betrayal, loss, grief and many other things, The song symbolizes these lights saying that as the life progresses these lights will eventually go out, and the lights which made the person the joyful, pure and loving person, that will change, and in the end he would be corrupted completely by the world, and its ways, and that would be his last day.
The lights in the song are the innocence and the purity of heart and emotions, they get corrupted with betrayal, loss, grief and many other things, The song symbolizes these lights saying that as the life progresses these lights will eventually go out, and the lights which made the person the joyful, pure and loving person, that will change, and in the end he would be corrupted completely by the world, and its ways, and that would be his last day.