Litteraly, it means "the heart", but it is often used as an affectionate phrase towards a person of whom one is close with, often used between lovers or inside the family.
"Am" as in "I am" is "är" in Swedish.
Du means you in Swedish.
Har means has in Swedish.
It means Mr in Swedish.
Camilla doesn't mean anything in Swedish, it's just a name (for women). It's not of Swedish origin.
Neah doesn't mean anything in Swedish, but it might be a name?
It's an English name... It doesn't mean anything in Swedish.
"Söt" means "cute" in Swedish.
"stad" means city in Swedish.
It's not a Swedish word.
Nothing, there's no such word in Swedish.
Froken means Miss in Swedish.