EDI Glossary
ASC X12
The American National Standards Institute (ANSI) committee tasked with developing uniform standards for EDI.
Conditional (C)
An EDI data element requirement designator that indicates that a given data element is dependent on other data elements in a data segment.
Data Element
The smallest item of information in an EDI transaction set. A data element may be a numeric, decimal, identifier, string, date or time value.
Data Element Delimiters
EDI data element delimiters consist of two levels of data separators and a data terminator. Delimiters are specified in the EDI interchange header and are not used in a data element itself.
Data Element Requirement Designator
A code defining the requirement for an EDI data element to appear in a data segment if the segment is actually transmitted. The designators are Mandatory (M), Optional (O) and Conditional (C).
Data Segment
A data segment consists of a segment identifier, one or more data elements, element separators, and a segment terminator.
Electronic Data Interchange (EDI)
The transmission of business data in a standardardized electronic format between computers.
Electronic Funds Transfer (EFT)
An electronically-transmitted financial credit or debit transaction using EDI.
Functional Group
EDI documents (called transaction sets) of similar type sent to the same EDI trading partner.
Mandatory (M)
An EDI data element requirement designator that indicates that a specified EDI data element is required.
Mapping
The process of converting data and data structures from one business format into EDI syntax upon transmission, and back again during receipt of an EDI document.
Optional (O)
An EDI data element requirement designator that indicates that a specified data element is at the option of the ending interchange party.
Syntax
The grammar or rules that govern the structure of EDI standards.
Translator
Software that converts an EDI document (transaction set) into a file format that the receiving computer can understand.
Transaction Set
An electronic document defined in EDI syntax, consisting of a transaction set header segment, one or more data segments, and a transaction set trailer segment.
X.435
International standard for security, auditing and function of EDI transactions, including the ability to integrate EDI and e-mail.
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