Ключевые слова: alert, attention, attractive, ban, block, caution, communications, confident, control, danger, defense, enter, entry, error, finger, forbid, forbidden, front, gesture, guidance, hand, icons, interface, limits, mistake, negative, neglect, no, not, palm, portrait, prohibit, protection, push, red, refuse, relax, safe, safety, security, serious, showing, sign, signal, stop, success, symbol, threat, wait, warning,