Diagrams
A diagram is a visual expression of a requirement or a set of requirements. Often, these sets of requirements are documented as a picture to help represent or convey something. Diagrams are an effective way of simplifying potentially complex concepts to help a wider audience of stakeholders understand them.
Diagrams are often included in requirements documentation, with some of the most popular diagrams being entity-relationship diagrams, process diagrams, and use case diagrams. Many other popular diagrams are used by business analysts and it is important to consider the purpose and audience of a diagram before choosing which one to use.
There are different categories where models are applied, depending on the category's main purpose ...
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