Cash flow lending asks what the business earns. Asset-based lending asks what the business owns, how quickly it converts to cash, and what it would be worth to someone else in a bad outcome. The two disciplines look at the same company and see almost nothing in common.
That distinction decides a great deal: how much you can borrow, how often you report, whether your customers pay into an account you control, and what happens on the day a large receivable ages past its eligibility window.
If your borrowing base keeps coming back smaller than your balance sheet suggests, the mechanics below are the reason.