This research work is devoted to the identification of functions carried out by design in life of society in general and a sense-creating role interpretation of design language in life of the individual that leads to the realization of the analysis necessity of a design role in the sphere of modern professional education. The design as the activity for esthetic properties designing of industrial products ("art designing") and also as a result of this activity where there is an inseparable interdependent link of an esthetics and technologies is considered in this article. The esthetics defines a thing matter and technology--its form. The position occupied by design images in the structure of an urban environment is analyzed in this article. It is proved that design is the multifunctional phenomenon influencing on the formation of an art world view by means of a complex of specially chosen means of expressiveness (pictorialism). The central problem of this work is the analysis of symbolic function of design language as the special hierarchical system created not only for the satisfaction of utilitarian, but also esthetic requirements of society in general, and a person, in particular. It is claimed that the main informative means of design language are symbols as the most difficult class of sign formation. It is established that the application of symbols in the design system allows influencing the formation of a reality image in consciousness of the person (society) that leads to the significance understanding of correct values upbringing in the education of a future designer.