(A) This is the fund which is dumped into a country to get the advantage of a favourable interest rate and hence brings higher returns.
(B) This is the fund which is provided by a bank in US$ at very short notice and at a very high rate of interest and for a longer period of repayment.
(C) This is the fund which is pushed into market through Hawala or some other such illegal methods and sometimes referred also as Black Money.