Sign and reality

This article is devoted the semiotics analysis of concepts of reference. On the basis of the analysis the conclusion becomes, that the sign can display a reality only in the course of human activity. Denotation of a sign is a way of its use and interpretation. From the point of view of the theory of reference the parity between language and the world described by it is the relation of "isomorphism" or the biunique correspondence, i.e. such parity between elements (objects) of two sets (structures) when one certain element of the second set can be to some extent put each element of the first set in conformity.