...Salty is one of the five main tastes. It has a satisfying and addictive quality with hints of sourness. Salty foods include cheeses, cured meats, chips, and olives. It is used in almost every dish and prepared food. Salt is added to enhance flavor and offer a distinctly salty taste.
...Bitter is one of the five main tastes. It has a sharp and pungent profile. Bitter is a naturally occurring flavor in many foods, including coffee, chocolate, bitter melon, and chicory. Bitter is used sparingly to accentuate the flavors around it and can be mellowed by other tastes in both savory and sweet dishes.