Online community

An online community is a group whose members interact through digital networks and develop shared ties, norms, or identity over time.

Computer-mediated communication: Communication between people conducted through digital devices and networks. It is the broad communication environment in which online communities form.
Social identity: The part of a person's self-concept derived from membership in social groups. Members may understand themselves through belonging to an online group.
Open-source software: Software whose source code is available for use, study, modification, and redistribution under a license. Contributor communities coordinate software development across distance.
Social network: A structure of people or organizations connected by social relationships. A network describes connections; a community also involves shared ties or identity.
Belongingness: The feeling of being accepted as part of a group or relationship. Shared digital interaction can meet members' need for social connection.
Social networking service: An online platform that lets users create profiles and connect with other users. Profiles and connection features help members find and maintain community ties.
Social presence theory: A theory about how communication media convey the sense that other people are present. Perceived presence affects how personal and connected digital interaction feels.
Online health community: An online group where people discuss health conditions, care, or wellbeing. Members exchange experience and support around health concerns.
Online audience: People who receive or engage with content distributed through digital channels. An audience may consume content without interacting or forming lasting bonds.
Echo chamber: An environment in which repeated exposure to similar views reinforces existing beliefs. Community boundaries and selective interaction can narrow the views members encounter.

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