The paper deals with the problematic of concept and image as independent forms of mediating the thought. A specific role in incorporating the media of concept and image into the system of thought is played by the mediality itself, which operates as an entity mediating between heterogeneous worlds. The symbolized messages of the concept and image thus represent using the dispositive of representation between the visual and intellectual worlds. The author takes the concept as the initial form of thought, which describes the object from the perspective of its being without making any propositions about it; the image, on the other hand, is taken as a sensory representation of the object. However, each of them is only a particular form of mediation. Representing a concept thus means taking the thought as a conceptual representation.