Full Idea
Reference need not be a hit-or-miss affair.
Gist of Idea
Reference need not be a hit-or-miss affair
Source
David E. Cooper (Philosophy and the Nature of Language [1973], §4.2)
Book Reference
Cooper,David E.: 'Philosophy and the Nature of Language' [Longman 1979], p.85
A Reaction
Sounds right. If the basic scenario is picking someone out in a crowd, your listener may think they know which person you are talking about, with a high degree of probability.