The song is about loss and longing for a lost love, with the protagonist feeling sadness and loneliness as their partner has gone.
The metaphor of Atlantis is used to express the depth of pain and despair, as well as the strong desire to be reunited with the loved one.
It reflects hope for reconciliation and better times, while the protagonist, despite the pain, believes in a positive future and yearns for a fresh start.
Overall, the song sensitively expresses the emotional rollercoaster of love loss and at the same time shows hope for healing and new beginnings.