CL 2/4

1. Speech communities are centripetal: it creates a sense of community. Discourse communities: creates a sense of difference, not a community.
2. 6 characteristics:

1. common goals
2. intercommunication between members
3. involvement to get feedback
4. more than one genre
5. lexis
6. members have knowledge of content

3. Discourse communities can shut people out and be selective in its members.