Ключевые слова: abc, access, alert, alphabet, away, background, box, close, color, communication, danger, depart, direction, directional, door, doorway, emergency, english, escape, evacuation, exit, fire, green, guide, help, indoors, information, leave, letter, light, move, protection, route, run, safe, safety, security, sign, symbol, text, threat, warning, way, wayout, word,