Ключевые слова: advertisement, advertising, alert, amplify, announce, announcement, attention, audio, banner, broadcasting, business, careful, cartoon, caution, commerce, communication, danger, exclamation, horn, illustration, important, infographic, information, loudspeaker, marketing, media, megaphone, network, news, note, offer, please, poster, presentation, priority, problem, promotion, propaganda, public, sale, sign, social, speak, speaker, speech, typography, voice, volume, warning,