Ключевые слова: advertisement, advertising, alert, announcement, attention, beware, broadcast, bubble, business, campaign, careful, caution, commercial, communication, concept, content, design, exclamation, flat, graphic, hand, icon, idea, illustration, importance, important, info, information, listen, loudspeaker, man, marketing, media, megaphone, message, notification, priority, promotion, sign, social, sound, speaker, speech, strategy, symbol, text, voice, warning,