What is a community?

There's an emotional and a technical aspect to that word, so let's dissect it a little!

The technical part of it would be a sector, a specification. A community is usually acknowledged by either it's members, or outsiders.  An important aspect of belonging to a group such as a community is that it's members usually strive to achieve a shared goal, so communities generally aim for a positive outcome based on their own beliefs (which are, mind you, not always good).

The emotional part of  belonging in a community is the bonds that unite the members.  Whether it is because they all share the same interests or experiences, each member develops a sense of affiliation to the group.  A community can act as a pillar, as it reaches out to people who were maybe not aware of its existence.  Sort of a center-point, if you would like. It's basically there for people who are interested in what it has to offer!