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

What is the Difference between Sour Cream, Yellow and White American Cheese

Milk is nature’s one of the most beneficial gift for mankind. It is treated is many different ways to get the other products. Three such products are sour cream, yellow cheese and white cheese.  All the three products are rich in fat and are used in many dishes to add not only the taste but also the good looks and good texture. They should not be considered three different varieties of same thing. They as well as their uses are different.