1. Systems, resources and services
INFO 414
Systems, resources and services

2. Information Systems
Are a type of communication system which selects, organizes, stores, and disseminates public knowledge for the purpose of communication of that knowledge to users.
Includes the users who interact with the system, the designers who create the system and the information professionals who select and organize the data and who interact with the users as intermediaries.

3. Information resource
A source of information or data regardless of format, location or purpose for which the source was developed or established.
computer-based sources, print-based sources, and undocumented sources such as interpersonal sources, organisations, broadcast media, information services provided by various organisations, user education activities and so on.
can embrace the notion of information service which is frequently used to indicate situations where a human intermediary is directly involved in the provision of information.

4. Information product
Customised information resource, developed by an information provider in relation to a specific need, or situation. The term is used in areas when the customising processes are being considered. Otherwise, the more general term "information resource" is used.
Can embrace the notion of information service which is frequently used to indicate situations where a human intermediary is directly involved in the provision of information.

5. Information Service
A collection of information systems brought together to meet the needs of a specified group of users and employing a staff of human intermediaries in meeting that objective. (Allen, 1996, p. 19)