Ключевые слова: agent, alphabet, apartment, background, bank, banking, black, block, blocks, budget, business, cash, commerce, communication, concept, cube, cubes, currency, design, economy, estate, finance, financial, home, idea, income, information, investment, letters, message, money, pay, payment, property, purchase, real, real estate investment trust, reit, savings, sign, surface, symbol, text, wood, wooden, wooden cubes, word, work,