topic

topic (http://definr.com/topic)

     n 1: the subject matter of a conversation or discussion; "he
          didn't want to discuss that subject"; "it was a very
          sensitive topic"; "his letters were always on the theme
          of love" [syn: subject, theme]
     2: some situation or event that is thought about; "he kept
        drifting off the topic"; "he had been thinking about the
        subject for several years"; "it is a matter for the
        police" [syn: subject, issue, matter]