Honestly I think it could be about God's relationship with her daughter, or it could be about a really awesome Christian guy looking for an awesome girl who is so wrapped up in God that she's not one of the people who gives parts of herself away to people and he's saying she's out there somewhere and he's telling her that he's out there and he loves her even though he doesn't know her, but he knows she's out there.
Honestly I think it could be about God's relationship with her daughter, or it could be about a really awesome Christian guy looking for an awesome girl who is so wrapped up in God that she's not one of the people who gives parts of herself away to people and he's saying she's out there somewhere and he's telling her that he's out there and he loves her even though he doesn't know her, but he knows she's out there.