Food is divided into many categories known as Food Components...so that we can take a particular component to build up or protect our body or to get rid of some of deficiencies . of the particular components..Good Components is divided into following:1. Carbohydrates 2. Protiens 3.Fats 4. Vitamins and Minerals...Vitamins and Minerals are further divided in other categories..Vitamin:A,B,C,D,E,K ..B and D are also divided in some categories..