Ключевые слова: abstract, america, american, atlas, background, border, business, cartography, communication, concept, continent, contour, creative, design, digital, flat, form, futuristic, geometric, graphic, grey, hatched, icon, idea, illustration, isolated, line, map, modern, network, north, oklahoma, pattern, region, shape, sign, silhouette, state, strip, stylized, symbol, technology, travel, undulation, us, usa, wave, white, zigzag,