a construction that indicates coreference or lack thereof with respect to a referent occurring elsewhere in the discourse, including one occurring elsewhere in the same construction, such as a complex sentence construction. Coreference may be indicated by zero anaphora as well as by an overt expression. Example: in the discourse passage and there's a man at the top of the ladder, you can't see him yet..., the pronoun him serves to track the referent as recurrence of the man in the second reported event. (Section 16.1)