Do "dates" always refer to something serious between the man and the woman or not necessarily?
Most Helpful Guy
Hanging out: means the purpose of being together is just that, to hang out with each other.
Dating: means the purpose for being together is to, at a minimum, figure out of their is chemistry to be more than friends (romantic).
Most Helpful Girl
Date - you're a potential girlfriend
Hangout - you're a potential fuck buddy.