| Trip |
Represents the entire itinerary, passenger set, and product set that a customer has. |
| Basket |
A set of products that have been selected but not yet purchased by the customer. Gordian keeps its own state of the basket to know what the customer picked. |
| Journey |
A single length of a ticket's travel, made up of one or more segments. A one-way trip has a journey, and round trip has two journeys. |
| Segment |
A portion of a journey, from a boarding point to a deplaning point of the given flight. |
| In-funnel |
Position of ancillary offer during the customer journey, before the payment has been made and the flight has been ticketed |
| Post-booking |
Position of ancillary offer after the flight booking has been made. For example, payment confirmation page, Manage My Booking, etc. |
| Airline PNR |
Passenger Name Record (PNR) of the Airline, not the GDS or aggregator |