Most people move within and between different discourse communities every day.
If one wants to become a member of a certain discourse community, it requires more than learning the lingo.
Public speaking can also be considered a discourse community.
A discourse community is essentially a group of people that share mutual interests and beliefs.
People are generally involved in a variety of discourse communities within their private, social, and professional lives.
Examples of discourse communities may include but certainly not limited to:
At the same time the discourse community does not expect to see any writing that appears too foreign.
Therefore, knowing the intended discourse community is a very important part of writing.
This is an example of the constraint a discourse community can place on a text.
A frame also establishes credibility for the author in a certain field of study, or "discourse community".