Ключевые слова: abstract, alarm, alert, allowed, attention, background, badge, ban, camera, caution, concept, danger, danger sign, forbid, forbidden, forest, icon, illustration, info, inform, information, label, marker, message, nature, no, notice, outdoor, photo, photograph, photographing, pictogram, prohibited, protection, public, red, restrict, road sign, shield, sign, stop, street sign, symbol, traffic sign, warning, warning label, yellow, zone,