Food grain is a term used to describe edible seeds or grains that are used as staples in diets around the world. MILLET, RICE, OATS, and OAT are all examples of food grains. MILLET is a small, round grain that is high in protein and minerals and is used in many parts of Africa and Asia. RICE is a cereal grain that is the most widely consumed staple food for a large part of the world's population. OATS are a type of cereal grain that is high in fiber and is often used to make porridge. OAT is a cereal grain that is similar to OATS but is smaller in size and has a slightly different flavor.