Another example is the set of messages between sellers and buyers, such as request for quotation (RFQ), bid in response to RFQ, purchase order, purchase order acknowledgement, shipping notice, receiving advice, invoice, and payment advice.However, EDI is not confined to just business data related to trade but encompasses all fields such as medicine (e.g., patient records and laboratory results), transport (e.g., container and modal information), engineering and construction, etc.EDI implies a sequence of messages between two parties, either of whom may serve as originator or recipient.The formatted data representing the documents may be transmitted from originator to recipient via telecommunications or physically transported on electronic storage media." It distinguishes mere electronic communication or data exchange, specifying that "in EDI, the usual processing of received messages is by computer only.For example, an EDI 940 ship-from-warehouse order is used by a manufacturer to tell a warehouse to ship product to a retailer.
For example, the transmission of binary or textual data is not EDI as defined here unless the data are treated as one or more data elements of an EDI message and are not normally intended for human interpretation as part of online data processing.
Some major sets of EDI standards: Many of these standards first appeared in the early to mid 1980s.
The standards prescribe the formats, character sets, and data elements used in the exchange of business documents and forms.
These non-internet transmission methods are being replaced by Internet protocols such as FTP, HTTP, telnet, and e-mail, but the EDI documents themselves still remain.
As more trading partners use the Internet for transmission, standards have emerged.