Ключевые слова: adult, advice, arrow, background, black, button, concept, cursor, design, direction, directional, doorway, emergency, escape, exit, fire, flat, graphic, guidance, help, horizontal, icon, indoor, information, instruction, internet, leaving, message, navigation, notice, office, person, pictogram, pointer, pointing, safe, safety, security, sign, signpost, symbol, traffic, warning, way, web,