When Dad (or anyone else) stands at the propane grill, and cooks burgers, steaks, hot dogs, or whatever, that is called grilling, not barbecuing. Not that there's anything wrong with that. Grilling is great, and fun, but call it what it is.
And if I have to explain the difference between barbecuing and grilling to you, you'll never understand.
So, there's my (mild) rant for today.
Happy Father's Day to all you dads out there!