1. A person, organization, or other entity (including a computer or computer system), that employs the services provided by a telecommunication system, or by an information processing system, for transfer of information.
2. [A] person or process accessing an AIS by direct connections (e.g. , via terminals) or indirect connections.
Note: "Indirect connection" relates to persons who prepare input data or receive output that is not reviewed for content or classification by a responsible individual.