barbecue sauce vs sauce

barbecue sauce and sauce both are nouns.

Word	Noun	Adjective	Verb	Adverb
barbecue sauce	Yes	No	No	No
sauce	Yes	No	Yes	No

As nouns, sauce is a hypernym of barbecue sauce; that is, sauce is a word with a broader meaning than barbecue sauce:

barbecue sauce: spicy sweet and sour sauce usually based on catsup or chili sauce
sauce: flavorful relish or dressing or topping served as an accompaniment to food

barbecue sauce (noun)	sauce (noun)
spicy sweet and sour sauce usually based on catsup or chili sauce	flavorful relish or dressing or topping served as an accompaniment to food

barbecue sauce (verb)	sauce (verb)
	add zest or flavor to, make more interesting
	dress (food) with a relish
	behave saucily or impudently towards