Ключевые слова: abstract, b, binder, black, board, business, calculator, chart, computer, contour, cube, design, diagram, document, education, file, folder, geometric, geometry, glyph, graphic, icon, infographic, isolated, laptop, line, linear, logic, math, mathematics, monitor, outline, pie, presentation, profit, round, schedule, set, shape, sign, silver, square, symbol, tool, traditional, wooden, x,