Another important thing to pay attention to is the wine-serving temperature. Depending on the temperature at which it is served, the taste can differ drastically. A glass of wine, if too cold or too hot can play havoc with its taste. Traditionally, different wines have different optimal temperatures that they should be consumed at. While convention rules that red wine be served at room temperature and white wine can be poured only after being chilled, this rule can be faulty as temperatures vary from place to place.