What is a Capability?
A capability is the organizational capacity to do something it couldn't before — run same-day fulfillment, underwrite in minutes, operate a new plant safely. Projects deliver outputs; those outputs combine into capabilities; capabilities, once used, produce outcomes and benefits. Program management lives on this chain.
The distinction pays at review time: "the system is live" (output) is not "the organization can now do X" (capability) — the second requires trained people, adapted processes, and adoption, which is why programs fund more than construction.
Worked example
A grocery chain's program delivers warehouses, robots, and software (outputs). The capability — profitable same-day delivery at scale — only exists when routing staff are trained, store processes changed, and the first 10,000 orders flow. The program board tracks capability milestones, not just handovers, because a warehouse full of unused robots is an output wearing a capability's budget.