Markets, industries & categories · Core
Market boundary
Also called: inclusion boundary
ELI5
The line deciding what counts inside the market.
Used in conversation
“State the market boundary before presenting TAM.”
Definition
The rule determining which customers, products or geographies are included in a market estimate.
Here “Market boundary” means: The rule determining which customers, products or geographies are included in a market estimate.
Pitch context
You will see “Market boundary” in strategy decks, market analyses, business plans and planning workshops when the discussion reaches markets, industries & categories.
Why it matters: It helps a reader interpret markets, industries & categories without confusing the measure, decision, role or evidence being discussed.
Sources & evidence · 5
Supporting source families. This entry is an editorial synthesis rather than a quotation from one canonical glossary.
- Strategyzer — Business Model Canvas resourcesSupporting source family · practitioner · checked 2026-08-16
- Strategyzer — Value Proposition Canvas resourcesSupporting source family · practitioner · checked 2026-08-16
- LEANSTACK — Lean CanvasSupporting source family · practitioner · checked 2026-08-16
- U.S. Department of Justice Antitrust Division — Herfindahl-Hirschman IndexSupporting source family · primary · checked 2026-08-16
- U.S. Census Bureau — Business and economy dataSupporting source family · primary · checked 2026-08-16