EDI Glossary

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Mapping involves creating rules which dictate how pieces of information from a company database are inserted into (and extracted from) an EDI message. Mapping is also used to translate EDI messages in one standard to another format (e.g. that used by a partner). Successful mapping requires technical expertise and comprehensive testing to ensure that EDI connections will be successful once made live.

Master Data
As the name implies, master data is data that is central to business operations. Cruicially, master data is not the same as transaction data, which changes regularly and has only limited significance. Master data is highly static data that is rarely updated and usually has long-term validity. While different industries and individual companies may treat different data elements as master data, common examples of master data elements include basic information such as the name of a supplier/customer or a product's ID number. If master data is not kept clean the consequences can be costly and difficult to fix.

A modem (short for modulator-demodulator) is a hardware device that converts data into a format suitable for transmission from one computer to another. Modems are essential for connecting to the internet, enabling computers to send and receive data over telephone lines, cable systems and satellite connections.

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