This greeting is a super informal way of saying hello. It's sort of like saying "hey there" or "you hoo" and would be reserved for close friends and family only.

How does one pronounce "au revoir"?

This expression is reserved specifically for wishing someone a good night, as in "sleep tight."

To say, "See you later!" you can use this expression.

This is how you say Mister/ Mr. :

This is how you say Miss (as in a young woman who's not married):

This is how you say Missus/ Mrs. (as in a woman who is married):