Each community, each discourse tradition, has its own canons of intertextuality, its own principles and customs regarding which texts are most releva… - Jay Lemke

When I speak about discourse in general, I will usually mean the social activity of making meanings with language and other symbolic systems in some particular kind of situation or setting.

[Teachers] emphasize the human side of science: real activities by real human beings, both today and in specific periods of history. Personal characteristics of scientists, with which students can identify, should be emphasized rather than making scientists seem superhuman or alien.

We need a social theory that sees all social phenomena, including itself, as being partly the product of how people in a community deploy semiotic resources: how we mean, and what we mean, by every meaningful act.