Nominal Scale
The nominal scale is a measurement scale that lists names (categories.) Nominal data is discrete data and there is no particular order with a nominal measurement scale.
Think of going to your favorite fast food restaurant. For example, the restaurant manager might list the first names of the employees, or might list the models of the cars that they drive. These are examples of a nominal measurement scale. You could put the names in alphabetical order, but the names really have no meaning of the rank order. When you think of nominal, think of the word ‘name’ – both start with an ‘N.’