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Boundary condition
Conditions at the limits of values, time, or access.
An everyday example
Whether a coupon works at the exact expiry time.
See how these concepts connect
- Improve a homeProject brief
- Agree rooms and usesRequirements
- Order the workDevelopment plan
- Inspect against criteriaAcceptance criteria
A brief explains purpose, requirements define scope, a plan orders work, and acceptance criteria define success. Names vary; the information still matters.
Where this term is useful
These are related contexts, not prerequisites.
Back in the project
When it comes up: When describing an idea and defining version one.
What to do next: Record users, the problem, first-version scope, and observable outcomes; ask AI about gaps.
Open the related method and stepsWhat can this analogy leave out?
A clickable prototype need not be functional; an MVP still needs its core flow.
Everyday examples explain roles and relationships; actual behavior follows the tool, language, or platform.