Show Difference, or CONTRAST, is a term used to describe the comparison of two or more items in order to highlight their differences. It is often used to compare and CONTRAST two ideas, objects, or concepts in order to demonstrate how they are distinct from one another. Show Difference can also be used to compare and CONTRAST two different versions of the same item, such as a before and after version of a product or service. Show Difference is an important tool for understanding the differences between two or more items and can be used to make decisions or draw conclusions.