We’ve introduced the H&S ABC logo onto guidance and tools to show small and medium-sized businesses just how straightforward health and safety can be.
Use case diagrams depict: In the example depicted in Figure 1 students are enrolling in courses with the potential help of registrars.
Professors input the marks students earn on assignments and registrars authorize the distribution of transcripts (report cards) to students.
They are useful for presentations to management and/or project stakeholders, but for actual development you will find that use cases provide significantly more value because they describe "the meat" of the actual requirements.
Figure 1 provides an example of a UML 2 use case diagram.
In general, health and safety laws apply to all businesses.