In the EDI industry, a message is a formalized data record transmitted between computers. In cryptography, a document (or other content) to which cryptographic techniques are applied to ensure privacy or authenticity, for example. In the context of e-mail, a unit of transmission from one individual to another.
(USA) The entire data stream including the outer envelope. (International) The equivalent of transaction set in the USA. OASIS Organization for the Advancement of Structured Information Standards
A collection of data that represents a entity of some sort, such as a purchase order, an activity notification, a request, etc. Within an integration context, an event is the basic unit of data that is exchanged between processes or systems. The terms event, document and message are often used interchangeably.