Mixed finance vocabulary

What is the abbreviation for " advertisement "?

What is the called the signboard, usually outdoors, for advertising posters? You can see them on the streets

How do you call the difference between credits and debits in a bank account?

In Portuguese = Saldo

How do you call the money paid to a bank for the bank’s services etc?

How do you say " agência de banco "?

How do you say the deficit in a bank account caused by withdrawing more money than is paid in?

In Portuguese, it is like a cheque especial.

How do you say " sacar " money?

How do you say the person to whom money is paid to?

How do you say the an instruction to a bank to make regular payments every month or at a given period?

it is like a " débito automatíco "

How do you say the department responsible for finding and buying everything needed by a company?