Interface: Personal Computer - Traveler
![Personal Computer to Traveler Interface Diagram](../../images/ifs/if32-114.gif)
Architecture Flow Definitions
traveler input (Existing)
User input from a traveler to summon assistance, request travel information, make a reservation, or request any other traveler service.
traveler interface updates (Existing)
Visual or audio information (e.g., routes, messages, guidance, emergency information) that is provided to the traveler.