This encyclopedic dictionary contains about 1000 articles characterizing the current level of research on the design culture of design and technical aesthetics. The first part of the dictionary - "Theory and History of Design" - includes questions regarding technical aesthetics and design culture of design. Here, the social, aesthetic, functional, ergonomic and technical aspects of the formation of the subject-spatial environment are comprehensively disclosed and the scientific and methodological foundations of design are substantiated.