Marinating 101: Some Tips for the Beginner -
A marinade is a slightly to moderately acidic sauce that you "soak" your meat and vegetables in before you grill it. It is used to give the meat and vegetables flavor and tenderize them. A marinade is not to be confused with a rub, which is usually a dry seasoning you rub into the meat before grilling...but that is another post for another day.