Ключевые слова: background, change, confusion, controls, crossroad, direction, forward, frog, hand, handlebar, indicator, iron, junction, lever, merge, metal, metaphor, move, outdoor, path, point, positioning, rail, railroad, rails, railway, right, road, separate, signal, sliding, station, steel, stock, switch, switches, switching, track, tracks, traffic, train, transport, transportation, travel, turnout, van, wagon, way, weight, wrong,