Ключевые слова: achievement, address, aim, airplane, arrow, background, blue, brown, business, buy, circulate, closed, colour, communication, concept, connection, deliver, destination, direct, direction, earning, economy, envelope, fast, flight, fly, formal, forward, goal, hand, income, investment, letter, mail, marketing, message, nobody, opportunity, paper, pay, plane, post, quick, rapid, savings, send, swift, symbol, target, traditional,