Ключевые слова: ahead, arrow, asphalt, automobile, background, business, concept, destination, direct, direction, drive, driveway, empty, forward, freedom, freeway, future, goal, guidance, guide, heading, highway, icon, indicator, knoeledge, line, linear, lost, marketing, marking, navigation, pattern, pointer, pointing, progress, road, roadway, route, science, sign, solution, start, straight, street, success, symbol, texture, transport, vision,