Something A represents something B if and only if the
properties, relations and
of A are systematically correlated with the properties, relations and elements of B in
such a way that - some of - the latter can be inferred from the former for those who know
This seems to be a uniquely human abillity in so far as it depends on the
human ability to reason with
symbols. In logic and
mathematics relations that
represent are isomorphisms or morphisms.
The idea that something A
represents something B is very fundamental and occurs in many forms.
often useful instance of representing is a map that
represents some territory.