Having read about certain concepts, you may need more details about them… No problem, the Travel Manager Glossary is here to help.

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  • Ancillary services

    Services that come at an additional cost on top of the basic service provided by an operator, and that are becoming increasingly important in the transport sector, especially amongst airlines.

  • ATP

    Average Ticket Price

  • BT

    Business Trip

  • Business Trip

    Trip undertaken solely for business reasons, paid for by the company.

  • Central Billing Account

    If your company uses a billing account you can use it to group billing of plane and train tickets, car rentals and all the other services linked to business trips. Also known as a UATP account, company card or settlement account.

  • Cloud

    Cloud Computing is a concept whereby you gain access to data and services on a remote server. For companies, Cloud Computing consists in outsourcing part of their IT capacity, whether this is data storage infrastructure or business applications to make use of this stored data.

  • Company Profile

    A company’s profile corresponds to a file with data specific to the company. The travel instructions or the company’s data can be saved in it and included in a booking if necessary.

  • Cross-selling

    A company sets up partnerships to distribute a product or service that is not part of its core business.

  • CRS

    Central Reservation System: a system for managing primary producer stocks.

  • CRS

    Computer Reservation System: used in particular in the transport and travel sectors.

  • CSV

    Electronic data format enabling you to transfer data directly into an Excel spreadsheet and present them in a table.

  • Currency

    Official unit of monetary payment in a country.

  • Data Capture

    Also known as “Electronic Data Capture” (EDC) or “Capture”. This terms applies to retrieval, formatting and saving of data in a computer memory using predefined fields such as customer name, account number and purchase amount in the corresponding currency. This information is saved automatically in a terminal or typed in manually and saved in the computer. See also “Electronic Draft Capture”.

  • Data Consolidation

    Data consolidation also includes uniform evaluation of all the international data – regardless of the different invoicing practices in respective regions, and of how many credit cards are used.

  • Data Enrichment

    Enrichment of existing data by creating short-cuts to sources of additional data.

  • Data Integrity

    Measures to prevent unauthorised data modifications.

  • DataIn

    Interface consolidating international accounting data.

  • DBI

    Descriptive Billing Information: additional accounting data about a customer, such as cost centres, name, ticket number, routing, etc.

  • Debit Adjustment

    Online financial transaction that serves to counterbalance or cancel a transaction issued by mistake.

  • Debt

    Money owed by a company to a third party in order to buy goods or services on credit.

  • Defrauder

    Person who is not the card holder or person designated by the card holder, but who uses the card (or the account number in the case of an order placed by postal means or by telephone) in order to obtain goods or services without the consent of the card holder.

  • EDC

    Electronic Draft Capture (EDC) is a terminal at the point of sale that reads information recorded on the magnetic strip of bank cards. This type of terminal authorises and captures the transaction data automatically, making paper vouchers superfluous.

  • EDI

    Electronic Data Interchange. The electronic transaction management process using standardised forms and a data format.

  • Edifact

    Accounts format for AirPlus electronic invoices. (Electronic Data Interchange for Administration, Commerce and Transport). This is an international standard, functioning on any hardware or software, recognised by all sectors, and used to exchange electronic data. It standardises electronic interchange of trade documents and business messages. EDIFACT is defined and kept up to date by United Nations (UN) bodies, and is often also shown as “UN/EDIFACT”.

  • EDM

    Electronic Document Management

  • Effective Annual Rate

    Interest rate paid by the borrower on a loan. Most of the commissions applied for drawing up the credit application are included in the effective annual rate.

  • EMV

    Europay Mastercard Visa: network for uniformisation and security of payment cards.

  • Encryption

    Conversion of directly readable data into encrypted data (clear text to encrypted text). This is also a process that conceals the content of a message by means of mathematical formulae. (Process making it possible to create encrypted entries).

  • ERP

    Enterprise Resource Planning: corporate information system that groups together and interfaces a set of modules linked to a company’s functions (purchasing, sales, accounts, HR, etc.).

  • ETIX

    ETIX is the name of the Lufthansa procedure enabling ticketless travel on certain flights with Lufthansa, Austrian Airlines, Tyrolean Airways and Lauda Air. The customer usually checks in at a terminal that issues them with a passenger coupon and their boarding card. To identify him or herself, the customer uses their Lufthansa, Austrian Airlines, Tyrolean Airways or Lauda Air loyalty card or a personal credit card, the number of which was communicated when making the booking.

  • Expense

    Denotes mainly restaurant expenses incurred during a trip.

  • Financial Expenses

    Commissions to the extent of a certain percentage that the customer pays for transactions.

  • Flat File

    Electronic file format allowing data exchange between tools.

  • Fraudulent Transaction

    Transaction not authorised by the card holder. This type of transaction falls into the categories of “lost, stolen, not received, delivered due to a fraudulent declaration, forged, fraudulent processing, account recovery or other fraudulent circumstances”, according to the definitions from the company issuing the card or its affiliate.

  • FTE

    Full Time Equivalent: often used to express a work load.

  • GDS

    Global Distribution System.

  • HTTP

    Hypertext Transfer Protocol: HTTP is a client-server communication protocol to transmit hypertext documents on the Internet. HTTP is static. If a client sends several requests to the same HTTP server, each request is processed separately. The HTTP server does not memorise previous requests. The static protocol enables servers to respond rapidly to requests.


    Hypertext Transfer Protocol – Secure: A variant of HTTP to process secured transactions. Browsers that support the “https” method for accessing the URL establish a connection via the HTTP servers by using SSL encryption.

  • IATA

    International Air Transportation Association: international organisation consisting of commercial air transport companies. IATA issues licenses that are required, amongst other things, in order to book hotels and car rentals, and to deliver plane tickets.

  • ISO

    Independent Service Organization: in the domain of payment systems, ISO is a third party organisation that facilitates registration of traders so that they can accept loyalty cards or credit cards.

  • LARS

    Electronic billing format – the Lufthansa AirPlus billing system gives you your invoicing data in a simple structured format.

  • Magnetic Strp Reader

    Device capable of reading the information on the magnetic strip and sending it to a transaction processor or computer terminal.

  • Mail Order Sales Representative

    Trader who conducts their activities by post or by phone.

  • NICT

    New information and communication technologies.

  • Off or OFFline

    “Off” bookings are made directly via the travel agency, without using an online booking tool.

  • Optional Information

    Optional information means billing data in addition to the invoice amount and the invoiced service, such as the names of the travellers, the cost centres, personal codes, services, etc.

  • Order Number

    Alphanumeric field comprising 17 signs that can be used between the card holder and the trader for accounting or traceability purposes.

  • PIN

    Personal Identification Number. Numeric code to determine the identity of an electronic card holder. It’s a kind of password.

  • Reference Number

    Number assigned to each financial transaction in a descriptive billing system. Each reference number is indicated on the monthly statement to make it easier to find the corresponding document if the card holder queries the transaction.

  • Retailer

    Retail trader that sells goods or services, but does not sell via a catalogue, does not provide the services itself, and does not operate within the travel or food sectors.

  • SaaS

    Software as a Service is a business model for software commercialisation in which the software is installed on remote servers instead of on the user’s machine. The customer pays a subscription instead of buying a user license.

  • SBT

    A Self Booking Tool is an online tool enabling business people to manage their travel policy and bookings of accommodation and means of transport directly. These tools are accessible online and can be configured according to user needs. SBT will allow synchronisation of data consisting of the customer’s preferences, habits and loyalty cards.

  • Service Expenses

    Part of certain financial costs, such as commission payable the first time a current account is activated with an open credit.

  • SME

    Small and Medium-Sized Enterprises.

  • Solvency Information

    Overall view of a company’s financial situation during a given period (usually several years). Credit card companies use this information to determine which consumers they issue cards to.


    Ticket and Merchant Agreement Record for Agencies: this is the interface between the travel agency and AirPlus which supplies optional information for the travel agency transactions (e.g. cost centre, personal code, etc.).

  • TCO

    Total Cost of Ownership is the combined cost of a product from the date of acquisition until it is disposed of.

  • TEM

    Travel & Expense Management for a company and its employees. The aim of TEM is to analyse business trip expenditure, check it and optimise it by implementing travel policies, and also to save time during the booking process.

  • Terminal ID

    For account to account payments, this is the number assigned to a trader that makes use of the services of a credit card processing company. Using this number, it is easy to identify the terminal (credit card reader).

  • Travel Expense Statement

    An employee’s travel expenses during a business trip, which are then invoiced to the company based on vouchers and invoices.

  • Travel expenses

    According to tax legislation, travel expenses correspond to expenditure incurred during trips undertaken for business reasons, or reasons inherent to the company.

  • UATP

    Universal Air Travel Plan: Airline organisation for the purpose of simplifying mutual billing.

  • UATP Card

    In Switzerland, name habitually used for the company credit card.


    Universal Credit Card Charge Form: Voucher provided when issuing a plane ticket, upon presentation of the credit card.

  • User ID

    Identity of the person authorised to log onto the system.

  • Variable Interest Rate

    For cards with a variable interest rate, the annual interest rate varies when the market rates or other macro-economic indicators change. Mail order transaction: Transaction in which the card holder orders goods or services from the trader by telephone, by post or by any other means of telecommunication where neither the card nor the card holder are physically present in the trader’s outlet.


  • Voucher

    Paper document that constitutes a record of a transaction that took place at a point of sale. The voucher usually comprises the following information: date, trader name/address, main account number, amount and reference number.

  • XML

    Extensive Markup Language: XML is a data transmission format designed specifically for the Internet. This text description language integrates seamlessly into a huge number of applications. AirPlus uses the XML format to prepare its billing data, and also for other purposes.