The words we use, in three languages.

The series speaks travel. The site speaks plainly. The product speaks engineering. One table, all three.

Traveller's wordWord on this siteComponent in the product
PassportPassportSigned credential (SD-JWT VC) per agent under your own domain; the key held only by that agent
Sponsor's letterResponsible humanThe human owner field on every passport, first on every log line
VisaRules and missionsRules, missions and capabilities, checked on every call
Duty of careLive inventoryThe agent inventory; exportable record
Travel cardBudgetsMetering and budgets: pause, downgrade, ask a person
Stamped pagesThe recordHash-chained, tamper-evident log, human first
Boarding passOne-time proofOne-time challenge with key-binding proof, per call
e-GateSealed keyThe private key in the wallet, never in the program
Border deskThe engineThe decision engine inside your boundary
CustomsSingle exitOne way out; the passport removed before the provider sees the request
Seal directoryVerify globallyTrust registry: verify globally, trust locally
ManifestSummaries onlyThe hosted console receives summaries; orders flow back
Consent letterActor chainThe delegation chain: the human first, then each agent in turn
Staff IDYour directoryCo-existence with Entra and Okta; people stay where they are
Check-inThe doorGateway
Border officerThe enginePolicy engine
Lost-and-stolen listRevokedRevocation list
Passport classesAssurance tiersTiers 0, 1, 2
Entry-requirements pageWhat this agent may doAgent card
Camera before the barrierWatch firstObserve, then enforce
Itinerary vs stampsPlanned vs happenedMission vs record
The unregistered travellerShadow AgentDiscovery

Rules decide access deterministically. Charters add a judged conduct check on top and never widen access.

Watching the series fills these in one at a time: the itinerary starts here.