Context is a central concept in the analysis of discourse and interaction in all the major research traditions in applied and sociolinguistics. Early linguistics did not display much sensitivity to it (Scollon, 1998, p. 80) and tended to study utterances in isolation and with-out reference to context. Today, however, there seems to be a general consensus around the idea that we understand utterances because they fi t or make sense within particular situations. Studies of discourse and interaction include some orientation to context, if nothing else because “language is always produced by someone to someone else, at a particular time and place, with a purpose and so forth ” (Blommaert, 2005, p. 39). Beyond general agreement that “context sho...