The Travel Glossary – find the best Terms, Definitions and Acronyms Travel terms, glossary, definitions and acronyms of the travel industry from A – Z. 2FA – Two Factor Authentication Accommodation Add-collect Add-on Adjoining room ADR – Average Daily Rate Advance purchase Affiliate Agent error Air taxi Airline Alliance Airport code Airport Lounge Airport security check Airport tax Airside All-inclusive Alliance Amtrak AP – American Plan APAC – Asia Pacific APEX – Advance Purchase Excursion Fare Applicable fare ARC – Airlines Reporting Corporation ARC number ARNK – Arrival Unknown Around-the-world ARR – Average room rate ASPAC – Asia South Pacific ATB – Automated Ticket & Boarding Pass ATP – Average Ticket Price Availability Back-to-back ticketing Backtracking Baggage BAR Best Available Rate Base fare BBR – Banker’s buying rate Bed-nights Blackout dates Blocked space Boarding pass Booking code BSP – Bank Settlement Plan BSR – Banker’s selling rate BTA -Business Travel Account BTC – Business Travel Center BTN – Business Travel News Bucket shop Buffer zone Bulk fare Bulkhead Bumped Bundled pricing Business class Business Travel Management Cancellation policy CC – Credit Card CDW – Collision Damage Waiver Centralized billing Change of equipment Check-in Check-out Child Churning Circle pacific City pair City terminal Class of service CLIA – Cruise Lines International Association Club floor Club ticket Co-terminals Coach COB – Close of Business COC – Country of commencement Code-share Combination Computerized Reservation System Concierge Conjunction ticket Connecting flight Connecting rooms Connection Consolidation fare Consolidator Consortium Construction point Contact Contact center Continental breakfast Contract fare / contract discount COP – Country of payment Corporate fare Corporate rate CPM – Cost Per Mile CPT – Cost Per Transaction CRM – Customer Relationship Management CSR (1) – Corporate Social Responsibility CSR (2) – Central Security Record CST – Central Standard Time CT – Circle trip CTD – Corporate Travel Department CTI – Computer Telephony Integration Customs CXR – Carrier DBC – Denied boarding compensation Delegate rate Deregulation Destination Destination Management Company Differential Direct fare Direct flight Directional fare Discount fare DOJ – Double open jaw Domestic travel Double Double booking Double occupancy Down grade DRA – Data Release Authorization Drop-off charge DS – Decision Source Duty-free Economy class EMD-A – Electronic miscellaneous document – Associated EMD-S – Electronic miscellaneous document – Standalone End-on-end combination Endorsement Equivalent fare paid EST – Eastern Standard Time ESTA – Electronic System for Travel Authorization ETA – Electronic Travel Authorization ETA – Estimated Time of Arrival ETD – Estimated Time of Departure or Delivery eticket – Electronic ticket ETR – Electronic Ticket Record European Regions Airline Association (ERAA) Excess baggage Exchange Excursion fare Executive card Executive room Expatriot (or expat) Explant/ outplant/ offsite Familiarization tour Family plan Fare basis Fare component Fare ladder Fee Final destination First class Flag carrier Flight coupon Flight/time specific FO – Front office FOI – Form of indemnity FOP – Form of Payment Frequent flyer number Frequent flyer program Frequent guest program Frequent renter program Fuel surcharge Full board Full economy Full exchange Full to full exchange Fully independent traveler Galileo Gate Gateway city GDSO – GDS Operations Ghost card Global distribution system Global indicator GMT – Greenwich Mean Time Governing carrier Ground time GroundRes Group fare Guaranteed hotel reservations Half board Half round trip fare Head tax Hemisphere HIP – Higher intermediate point Hotel sourcing Hub IATA – International Air Transport Association IATA Rate of Exchange (ROE) IET – Interline e-ticket IET – Interline e-ticket Immigration Implant (on-site) Implementation In-house Inbound travelers Infant Interline Interline baggage agreement Interline connection Interline ticketing agreement Intermediate point Intermediate stop International Civil Aviation Organization International departure taxes Itinerary Joint fare Journey KDS Landside Last date of purchase LCC – Low cost carrier LCF – Local currency fare Leg LFR – Lowest Fare Routing Locator reference Lodge card Loss Damage Waiver Lowest combination principle LRA – Last room availability Marine Travel Married Segments Maximum stay MCO – Miscellaneous charge order MICE – Meetings, Incentives and Corporate Events Mileage fare Mileage surcharge Minimum connection time Minimum stay MK – Market Number MO – Midoffice MPM – Maximum permitted mileage MST – Mountain Standard Time National Business Travel Association NDC – New distribution capability Negotiated fare/rate NLRA – Non Last Room Availability No-show NOI – Net Operating Income NOJ – Normal open jaw Non-endorsable Normal fares NR – Non-refundable NTSB – National Transportation Safety Board NUC – Neutral units of construction Off-airport location Off-line connections Off-line point Off-loading Off-peak Offline transaction (traditional transaction) Onesto Online adoption Online Booking Tool Online high touch transaction Online low touch transaction Online or online point Online transaction fee Onsite Open book Open date sector Open jaw ticket Open skies Open ticket Operating carrier Originating carrier OSI – Other Service Information Outbound Outplant (off-site) Overbooking P&V – passport and visa Pacific Asia Travel Association Passenger account record Passenger facility charges Passenger name record Passport PAX – Passengers PCI – Payment Card Industry Peak Penalty Per diem PEX – Penalty excursion fare Plate / plated PO – Purchase Order Point-to-point fares POS – Point of Sale Pre-trip auditing Primary carrier Prime segment Profile Promotional fare Proof of citizenship Property irregularity report Property management system PST – Pacific Standard Time PTA – Prepaid ticket advice PU – Pricing unit Public fares (air) PUC – Pricing unit concept QSI – Quality of Service Index Queue Queue group Rack rate RC – Reason codes Rearden Commerce Reconfirmation Record locator Red-eye flight Reissue ResX Return journey Revalidation RevPAR – Revenue Per Available Room RLI – Rate Loading Instructions Room with facilities Round trip Route deal / route incentive Routing Routing fare Run-of-the-house (ROH) Schengen Visa Season Seat pitch Secondary carrier Sector Security surcharge Segment Self-service reservations Selling carrier Service fee Shuttle Side trip Single SLA – Service Level Agreement Slots Soft opening SOP – Standard Operating Procedure SOS – Scope of Services Space available Special needs Split ticket(ing) Spouse fare SSR – Special Service Request Standard room Standby Stopover Stopover charge Stuffer Sub-journey Surcharge (Q) Surface sector T24 TFL – Ticket Fulfillment Location Through fare Ticket Ticket on departure Ticketed point Time and mileage rate Tourist card Transaction Transaction – domestic air Transaction – international air Transaction – offline – traditional Transaction – online high touch Transaction – online low touch Transaction – online no touch Transaction – regional air Transfer Transit lounge Transit point Travel Management Company TripSource TSA -Transportation Security Administration Twin for sole use Two Factor Authentication UDID – User-Defined Interface Data Unlimited mileage rate Upgrade Validating carrier Validation VAT – Value-added tax VAT reclaim VCC – Virtual Call Center VCC – Virtual Credit Card Virtual payment Visa VMPD – Virtual Multiple Purpose Document Void Voucher Waitlist Walk Wet lease Wide-body aircraft X-ray Yield Management Zulu Time