Capacity, flow & constraints · Core

Slack

Also called: spare capacity

ELI5

Uncommitted time or capacity available to absorb variation or new work.

Used in conversation

“Compare slack with the same cohort and period before drawing a conclusion.”

Pitch context

You will see “Slack” 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 · 3

Direct term-level sources and supporting source families.