A cash flow identifies a genuine or virtual movements of money:
a cashflow in its slim sense is a repayment (in a money), especially in one central bank-account to another; the word ‘cash move’ is mainly used to spell it out payments that are anticipated to happen in the foreseeable future, are thus uncertain and for that reason have to be forecasted with cash moves;
a cash flow depends upon its time t, nominal amount N, money CCY and bank account A; symbolically CF = CF(t,N,CCY,A).
it is however popular to work with cashflow in a less given sense explaining (symbolic) repayments into or out of an business, task, or financial product.
Cash moves are narrowly interconnected with the ideas of value, interest and liquidity. A cashflow that shall happen on another day tN can be changed into a cashflow of the same value in t0.
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