Articles

If preconditions are the rules for starting a use case, then postconditions are the results when it’s all over. A postcondition is a specific, observable change that occurs after a

A decision table is a simple but powerful tool for organizing complex business rules and logic. Think of it as a spreadsheet for system design, where you can visually map

Think of preconditions as the rules you need to follow before you can even start a process. In system design, a precondition is something that must be true or a

Scenario analysis is all about asking “what if?” It’s a method for exploring every possible path a user could take in a use case, from the perfect happy path to

Think about a use case as a story. It’s a way to describe how a person (or something else) interacts with a system to achieve a specific goal. This simple