 Although taste qualities are known to be widely distributed throughout the oral cavity, the concept of an anatomical "tongue map" yet persists in the wine tasting arena, in which different tastes are believed to map to different areas of the tongue.A widely accepted example is the misperception that the tip of the tongue uniquely tells how sweet a wine is and the upper edges tell its acidity.As part of the tasting process, and as a way of comparing the merits of the various wines, wines are given scores according to a relatively set system.