The twelve regional fed banks are ""bankers' banks"" and they hold deposits of member banks and make loans to member banks to meet reserve requirements. In United States of America, all economical and financial services are supplied by financial institutions to member banks. These financial institutions are known as bankers' banks.
When something is borrowed say property, money etc., and paid after some period of time with interest is known as loan. In banking, loan is a money borrowed by bank or from bank. This money is subject to repay as mentioned in contract or terms while borrowing.
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