Ключевые слова: america, american, background, black, board, business, button, close up, 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, ohio, pc, shape, sign, site, stock market, symbol, text, travel, united states, us, usa, web, website, word, work, www,