Final answer:
In a specifications document, the three things that must be specified are the scope, requirements, and design.
Step-by-step explanation:
In a specifications document, three important things that must be specified are:
- Scope: This includes the boundaries and extent of the project, including what is included and excluded.
- Requirements: These are the specific functionalities, features, and characteristics that the final product must have.
- Design: This includes the overall plan, layout, and architecture of the project.