Ключевые слова: 20, abstract, agenda, annual, background, binder, black, business, button, calendar, circle, company, concept, date, day, deadline, design, element, event, flat, graphic, holiday, icon, illustration, interface, isolated, line, linear, meeting, modern, month, number, outline, paper, plan, reminder, round, seal, shape, sign, simple, stamp, symbol, template, time, web, week, white,