Ключевые слова: arrow, attention, background, building, business, button, career, climb, climbing, danger, direction, doorway, down, downstair, downstairs, emergency, entrance, escalator, exit, flat, floor, human, icon, illustration, ladder, lift, line, man, people, person, pictogram, run, safety, sign, silhouette, stair, staircase, stairs, stairway, step, success, symbol, up, upstair, upstairs, walk, warning, way, white,