Ключевые слова: action, back, backdrop, background, backward, banner, board, business, change, condition, contrary, countermand, decision, design, direction, engineer, fail, failure, felt, invert, label, management, moving, opposite, order, payment, plan, position, process, progress, quash, retreat, reverse, reversible, revert, rotation, rule, side, state, status, system, task, transaction, transpose, turn, way, white, word, work,