Capacity, flow & constraints · Core
Constraint
Also called: limiting condition, product constraint, limiting factor
ELI5
Any factor that limits achievement of a goal or flow.
Used in conversation
“The number is useful only if everyone calculates constraint the same way.”
Pitch context
You will see “Constraint” in operating plans, procurement packs, supplier reviews and supply-chain reports when the discussion reaches capacity, flow & constraints.
Why it matters: In capacity, flow & constraints, the definition can change ownership, capacity, process, cost or safety decisions.
Sources & evidence · 8
Direct term-level sources and supporting source families.
- U.S. Bureau of Labor Statistics — Productivity programmeDirect source · primary · checked 2026-08-16
- U.S. Small Business Administration — Write your business planSupporting source family · primary · checked 2026-08-16
- Y Combinator — YC Startup Library — fundraising and pitching resourcesSupporting source family · practitioner · checked 2026-08-16
- U.S. Securities and Exchange Commission — Small Business Capital Formation GlossarySupporting source family · primary · checked 2026-08-16
- Scrum Guides — The Scrum Guide — official current versionSupporting source family · primary · checked 2026-08-16
- National Institute of Standards and Technology — Computer Security Resource Center GlossarySupporting source family · primary · checked 2026-08-16
- U.S. Acquisition.gov — Federal Acquisition Regulation Part 15 — Contracting by NegotiationSupporting source family · primary · checked 2026-08-16
- UK Government — Groceries Supply Code of PracticeSupporting source family · primary · checked 2026-08-16