Ключевые слова: agreement, alphabet, background, banner, blank, business, cancel, clear, company, concept, contract, corporate, design, document, empty, evacuate, finance, free, gap, grid, ineffective, invalid, legal, letter, nugatory, null, nullified, order, payment, procurement, product, purchase, repeal, report, revoke, sale, service, space, success, tile, transaction, unoccupied, vacancy, vacant, vacuity, void, warranty, white, withdraw, word,