What is the Difference Between Similar But Different Things, Terms, and Objects

What is the Difference between Oat Bran, Oatmeal and Porridge

Oat is the cereal grain crop that is grown in various parts of the globe thanks to its rich nutrition benefits. This nutritional diet is available in various varieties and also used in various forms. There are three parts of oat crop that are endosperm, middle germ and outer husk.