Ключевые слова: accounting, app, application, arithmetic, art, black, blue, business, calculation, calculator, clip art, collection, color, concept, contour, design, economy, finance, financial, flat, glyph, home screen, icon, illustration, interface, isolated, line, linear, logo, logotype, long, mathematics, mobile, operation, outline, pack, phone, set, shadow, sign, smartphone, symbol, tax, technology, thin, ui, web, white,