notitur.com August 24, 2026

Travel industry glossary

Your reference guide to hotel technology, distribution and marketing terms. For professionals who use them every day and for students still learning them. Each term comes with a clear definition and a concrete example. This is nobody's official glossary, it is how we at Notitur explain the concepts that show up in our analysis.

92 terms

Revenue

ADR

The average daily rate is the average revenue per occupied room over a period. You get it by dividing room revenue by the number...

Distribution

Agency model

In the agency model, the guest pays at the hotel and the hotel later settles the commission with the OTA. The hotel keeps the...

AI and automation

Agentic AI

Agentic AI is a system that does not just answer, it acts on its own to reach a goal. It searches, compares, books and pays...

Airlines

Air connectivity

Air connectivity is the network of routes, frequencies and destinations that link an airport or a region with the rest. More...

Distribution

Allotment

An allotment is a block of rooms the hotel holds for an intermediary or group under agreed terms. Tour operators and agencies...

Revenue

Ancillary revenue

Ancillary revenue is what a hotel or airline earns beyond its core sale. Baggage, seat selection, parking, spa, breakfast or late...

Hotel technology

API

An API is the door through which two programs talk and pass data with no human in the middle. In a hotel it is what lets the PMS,...

Marketing and CRO

Attribution

Attribution is how you split the credit for a booking across the different touchpoints a person hit before buying. If they saw an...

Revenue

BAR

The best available rate is the public, flexible price a hotel offers at any moment for a date, with no special conditions. It is...

Distribution

Billboard effect

The billboard effect is the phenomenon where showing up on an OTA also lifts the hotel's direct bookings. Many people discover...

Marketing and CRO

Booking abandonment

Booking abandonment is when a guest starts booking on the website and leaves before paying. It measures the friction in the flow...

Distribution

Booking engine

A booking engine is the tool that lets guests book directly on the hotel's own website. It shows availability, prices and takes...

Airlines

CASK

CASK is the cost to an airline of offering each seat and kilometer. It is the yardstick for a carrier's efficiency and where low...

Hotel technology

CDP

A customer data platform pulls everything you know about each guest into one place, whether it comes from the PMS, the website,...

Distribution

Channel manager

A channel manager syncs a hotel's rates and availability across all its sales channels at once. When a room sells, it removes it...

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