Banks:

Depository financial institution: a financial institution that accepts deposits and channels the money into lending activities; "he cashed a check at the bank"; "that bank holds the mortgage on my home"  A supply or stock held in reserve for future use (especially in emergencies) 

Banks are located pretty much on every corner of every block.  This is a place where you deposit money into a central location.  You can gain interest if you put your money into a savings account.  There are many banks around such as Bank of America, Sun Trust Bank, Central Bank, AABB.  Around four years ago or longer they have created a term called "Online Banking"  Online systems allow customers to plug into a host of banking services from a personal computer by connecting with the bank's computers over the Internet.      A service that allows an account holder to obtain account information and manage certain banking transactions through a personal computer. Outstanding balance - The amount owed on a loan or line of credit. This is the balance used to calculate payments and on which interest is charged. Overdraft - When the amount of a paid check or other withdrawal exceeds the available balance in a checking account. See NSF and overdraft protection. Overdraft protection - A service that allows a checking or money market savings account to be linked to another account that provides protection against returned items or overdrafts. Choices can include using a savings account or an overdraft line of credit to provide protection.