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A group of people who share a craft and/or a profession. The group can evolve naturally because of the members' common interest in a particular domain or area, or it can be created specifically with the goal of gaining knowledge related to their field. It is through the process of sharing information and experiences with the group that the members learn from each other, and have an opportunity to develop themselves personally and professionally (more at Wikipedia)
Interoperability:
Broadly defined, interoperability is the the ability of systems, units, or forces to provide services to and accept services from other systems, units, or forces and to use the services so exchanged to enable them to operate effectively together. Applied to information technology, interoperability describes the ability to meaningfully exchange information among separately developed systems, where the separate systems are able to understand the format, meaning, and also the quality of the information being exchanged. (more at Wikipedia)
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