Browse our glossary of hotel terminology. Click on any of our hotel terms for a definition.

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Amadeus Instant Preference

Amadeus Instant Preference offers preferred placement to hotel clients.


Worldspan Accents delivers your message to Worldspan travel agents during the shopping and booking process.

Actual Share

The actual percentage of the room nights or revenue (based upon competitive set) that a hotel captures during a particular time frame.! Calculated by dividing the total room nights or revenue sold at the hotel by the total room nights or revenue sold within the competitive set inclusive of the subject hotel.

Ad Impression, Ad Request, Ad Views

The request of an advertising element as a direct result of a visitor’s action, as recorded by the advertisement server software.! An ad request does not guarantee that a visitor actually viewed an ad; it only measures the opportunity for an ad to have been delivered to the visitor.! This means that an ad request will be considered valid regardless of the visitor'’ ability to view graphics, and whether or not the HTML document containing the ad loads to completion.

Ad Units

A means of classifying ad types. For example, Internet ad units can include banners, buttons, daughter windows, pop-ups, interstitials, tag lines, etc.

Amadeus Instant Marketing (AIM)

An Amadeus travel agent media product.! Amadeus Instant Marketing has the following products: Sign In Messages, Display Messages, Weather Messages and Broadcast Messages. This extensive line of media products provides travel suppliers with a wide range of options to get the right message, to the right audience, at the right time.

Application Protocol Interface (API)

An application programming interface (API) is the interface that a computer system or application provides in order to allow requests for service to be made of it by other computer programs, and/or to allow data to be exchanged between them.

Application Service Provider

An application service provider (ASP) is a business that provides computer-based services to customers over a network.

Average Daily Rate (ADR)

Figure derived by dividing actual daily revenue by the total number of rooms sold.

Average Length of Stay (ALOS)

Figure derived by dividing the number of room nights by the number of bookings.
  • New York
  • USA Office
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  • Spain Office
  • Dubai
  • UAE Office
  • Singapore
  • Singapore Office
  • Ottawa
  • Canada Office
  • Melbourne
  • Australia Office