Ключевые слова: 24, appointment, audio, bass, business, calendar, clock, color, colorful, column, contour, cyclic, date, day, deadline, design, equipment, event, hours, icon, illustration, isolated, line, linear, loud, loudspeaker, management, modern, open, organizer, outline, reminder, schedule, service, set, shop, sign, sound, speaker, stereo, support, symbol, technology, time, timesheet, volume,