Ключевые слова: advertisement, alert, amplify, announce, announcement, attention, audio, background, banner, beware, black, bullhorn, business, careful, caution, commercial, concept, design, horn, icon, illustration, important, information, loud, megaphone, message, news, note, notification, offer, old, pay, please, poster, propaganda, public, retail, sale, sign, sound, speak, speaker, speech, style, text, vintage, voice, warn, warning,