Ключевые слова: america, american, background, black, board, business, button, communication, computer, concept, currency, digital, education, enter, exchange rate, flag, government, icon, internet, key, keyboard, keypad, language, laptop, letters, macro, media, message, metaphor, network, notebook, office, pc, shape, sign, site, stock market, symbol, text, travel, united states, us, usa, washington, washington dc, web, website, word, work, www,