| Activity | Activity related trip mode information.Activity related information with ontology reference. |
| Animals | Pets and service animals. |
| Baggage | Baggage. |
| BookingMethod | Reservation booking method.Booking method type with ontology reference. |
| DateTimeDuration | Trip mode time period. |
 Location | Location(s). |
| Lodging | Lodging related trip mode information. |
 Mode | Requestor trip mode.Multimodal offer trip mode type. |
| OntologyExtension | Ontology extension with ontology reference.Ontology extension with ontology reference. |
| PriceAndPayment | Price and payment details.Payment information with ontology reference. |
| ReservationStatus | Reservation status.Reservation status with ontology reference. |
| Transportation | Transportation trip mode information.Transportation information with ontology reference. |
| TripValue | Offer requestor assessed trip value.Trip/ traveler value information with ontology reference. |