Barbecue refers to a cooking term which means to cook over the embers of charcoals or coals or electric or gas grills which can be bought in ordinary markets, supermarkets and appliance stores.
Blacken is a culinary or cooking term which means to coat fish or meat with pepper and/or other spices, then searing the meat in a hot skillet producing meat that is black on the outside but tender on the inside
Baste is a culinary or cooking term which means to ladledrippings over a piece of meat while being roasted or grilled to make it juicy and to prevent the dryness of the meat.