It's mood, it's color, it's divine rapture or ultimate despair, bitterness and heaven, I could go on . . . It is distinguished from taste by its dependence on the olfactory sense. It is the reaction of salty, sweet, sour, or bitter on various parts of the tongue. It's the way you perceive taste, I suppose, but you have memories of flavors, so it's not just a chemical reaction . . . ▶ Next Question ◀