Food supply:

Food obtained for a household or for a country, an expedition, etc.  A broad range of food production distribution consumption configurations can be characterized as short food supply , such as farmers' markets, farm shops, collective farmers' shops, community-supported agriculture and solidarity purchase groups. The main source of food for the population of the world is agriculture. The term agriculture, as broadly used here, also includes livestock husbandry, managed fisheries  and forestry. The composition of meals changes gradually as demand for food strengthens and lifestyles change.

The Food pyramid:

A food pyramid is a representation of the optimal number of servings to be eaten each day from each of the basic food groups. A food group is a collection of foods that share similar nutritional properties or biological classifications. List of nutrition guides typically divide foods into food groups and Recommended Dietary Allowance recommend daily servings of each group for a healthy diet. The Food Pyramid is a visual representation of how different foods and drinks contribute towards a healthy balanced diet. The Food Pyramid allows individuals the flexibility to choose foods and drinks from each shelf depending on their food preferences. The 1992 pyramid introduced now It was updated in 2005 to "MyPyramid", and then it was replaced by "MyPlate" in 2011.