Ключевые слова: alert, allow, area, art, attention, ban, blank, border, business, communication, copy, danger, design, empty, graphical, icon, illustration, isolated, limited, naked, naturism, naturist, notice, nude, nudism, official, private, prohibited, public, rectangle, red, refrain, rest, risk, scratched, sign, space, stamp, stop, support, symbol, warning, weekend, white,