Ключевые слова: art, background, black, button, choose, clip, color, difficulty, elaborate, emblem, fill, filter, filtered, filtering, flow, funnel, funnels, icon, icons, illustration, isolated, label, limitation, line, narrow, object, out, pass, pictogram, problem, render, restriction, set, shadow, shape, shrivelled, sign, silhouette, simple, symbol, threedimensional, tricky, white,