Ключевые слова: blackboard, business, collection, computer, computing, concept, connection, creative, design, desktop, device, diagonal, different, display, doodles, drawing, drawn, electronic, elements, equipment, graphic, hand, hand drawn, homemade, icon, illustration, image, informatics, internet, isolated, label, line, memory, modern, monitor, outline, program, screen, service, set, sign, simple, sketch, symbol, technology,