In my opinion this song is about a person you meet and exchange phone numbers (the seven little numbers are the seven digits). The singer has met someone special and is waiting for this person to call her so they could get to know each other (seven little numbers could be the start).
In my opinion this song is about a person you meet and exchange phone numbers (the seven little numbers are the seven digits). The singer has met someone special and is waiting for this person to call her so they could get to know each other (seven little numbers could be the start).