Researching the complex and dynamic conceptual field of architecture as consequence of different approaches, theories, processes and ideas, as well as different flows of information. Development of aesthetic function of architecture in that context. Research of relation between theoretical background, conceptual thinking and architectural articulation. Analysis of relations between programmatic and aesthetic ideas in architecture. Consideration of the logic of space use (activities) as initiators of aesthetic ideas in architecture. Examining relations between programmatic ideas and the formal logic.