| Action | Bounded work unit under a Change |
| Assurance | Verdict over Claims given Evidence |
| Authority | Who may authorize an effect (DELEGATED, HUMAN, …) |
| Boundary | Scope constraint (often advisory to the host) |
| Bypass | Governed skip of a gate with durable record |
| Change | Durable governed unit of work (C-xxxx) |
| Claim | Statement that must be established |
| Contract | Authoritative WHAT + constraints + DONE |
| Demand | Intent that opens a Change |
| Decision | Human boundary artifact |
| Evidence | Attributable observation, ideally Claim-bound |
| Finding | Relevant observation |
| Gate | Mechanical check; non-zero = STOP |
| Hub skill | Progressive disclosure skill teaching the loop |
| Learning | Validated experience (informs, does not constrain alone) |
| Memory | Durable engineering continuity |
| Policy | ALLOW / DENY / REQUIRE_HUMAN evaluation |
| Question | Structured uncertainty grounded in Findings |
| Resolution | Established outcome of a Question |
| Rule | Active authoritative constraint |
| Runtime | Disposable operational data |
| Situation | Understanding sufficient for a Contract |
| Skill | On-demand specialization procedure |
| Status | Derived projection of progress |
| Task | Optional decomposition inside an Action |
| Wake | Reconstruct continuity from repository state |