Full Idea
The teleosemantic view of perceptual concepts is that the referential value of the concept can be equated with those items which it is the biological function of the concept to track.
Clarification
'Teleo-' refers to purpose
Gist of Idea
Teleosemantics equates meaning with the item the concept is intended to track
Source
David Papineau (Thinking about Consciousness [2002], 4.6)
Book Reference
Papineau,David: 'Thinking about Consciousness' [OUP 2004], p.113
A Reaction
This seems to work quite nicely for 'bird', which is concept which is used to track birds. It might even work for complex entities, or abstract entities, or even negative entities. Imagination must play a role in that last one.