[A] service providing interpersonal messaging capability; meeting specific functional, management, and technical requirements; and yielding a business-quality electronic mail [e-mail] service suitable for the conduct of official government business. [INFOSEC-99] Synonym messaging service.

Software and hardware interfacing merchants and credit-card authorization networks. [Mattila]

The Electronic Program Guide (EPG) is a means of presenting or querying information about the available content to the consumer, allowing interactive selection of desired content. Synonymous with Interactive Program Guide (IPG).

The process of creating messages, distributing them, and reproducing them entirely online, often with a capability for feedback.
Note: Unlike desktop publishing, electronic publishing does not usually generate hardcopy.

The detection, identification, evaluation, and location of foreign electromagnetic radiations emanating from other than nuclear detonations or radioactive sources. [JP 1-02]

The ESE defines the system in security terms, identifying boundaries of security significance. These boundaries may be: a. internal, i.e., security partitions within the system, or b. external, i. e. manual or electronic interfaces to the LSE or the GSE (e. g. terminals, printers or communications lines to other systems) [CESG].

Synonym equilibrium mode distribution.

1. A telephone switching system based on the principles of time-division multiplexing of digitized analog signals.
Note: An electronic switching system digitizes analog signals from subscribers' loops, and interconnects them by assigning the digitized signals to the appropriate time slots. It may also interconnect digital data or voice circuits.
2. A switching system with major devices constructed of semiconductor components.… (Read More →)

The part of e-commerce (electronic commerce) software that processes real-time credit card payments. [After Mattila]

A Web-browser plug-in that handles and stores a user's credit card and payment information. [Mattila]