The definition of "gross" (Money) is used in anything that is widely recognized that the stock exchange and can be used to repay the debt. Throughout the past Several articles were used as currency. Coin and banknote paper is yes. But we also use shell with wool long as it is widely accepted that it can pay the debt. The thing was, however, used as currency monetary items that will serve as a "very good" to be able to serve three here.