Ключевые слова: arrow, billboard, blank, brick, business, direction, directional, find, guidance, isolated, left handed, nameplate, nobody, old, order, placard, place name, plank, post, remote, right, road, road sign, showing, sign, signification, single object, stone, symbol, symbolization, teaching, template, this way, unlabeled, wall, way, wood, wooden, yellow, yield sign,