At the initiative of Gevorg Grigoryan, a lecturer and mentor of the Chair of Design at EUA, a seminar – open discussion was held on the topic «Interchange of invention (composition) in works of fine art», which was conducted by Astghik Melkonyan, painter, restorer-conservator of movable cultural monuments, and Gevorg Grigoryan, lecturer of the Chair of Design at EUA. During the seminar-meeting the means of construction of the artistic form, the formation and development of the laws of composition, their transformation from the Renaissance to the 20th century were discussed.