Adagio Premium Teas Acidity usually refers to a pleasant tartness, sparkle, or tang resulting from the roasting of coffee beans. Most of the world's finest coffees have considerable acidity, which enhances their flavor. Acidity is diminished with increased roasting.
Acidity is akin to the dryness of wine.
Body is the feel of a beverage in the mouth, a sense of heaviness, richness, or thickness when tasting. Body ranges from light to full. It can be strong but pleasant. Body is actually micro particles of insoluble coffee fiber suspended in water. The amount and kind of insoluble varies from one coffee to another.