Ключевые слова: abstract, accounting, analysis, b, black, board, business, button, chart, concept, contour, crossed, cube, design, diagram, display, drawing, education, finance, geometric, geometry, graphic, growth, icon, illustration, infographic, isolated, line, linear, logic, math, mathematics, outline, pie, presentation, profit, report, ruler, schedule, school, set, shape, sign, silver, symbol, tool,