I Made a Classic Refactoring Mistake

An order is a request for food or goods that you want to buy from a shop or restaurant. It can also mean the way things are arranged in a specific sequence or pattern.

A user is a person who utilizes or operates a product, service, or system. The term is most frequently applied in the context of technology, such as someone interacting with software, a website, or a device.

A system of words, letters, figures, or other symbols used to represent others, especially for the purposes of secrecy or computer programming. It also refers to a set of rules or principles that a group of people agree to follow.

Procedures or examinations used to evaluate the quality, performance, or reliability of something, or to measure a person's knowledge and skills. It can also describe the action of a third person or entity performing such an evaluation.