Account

noun

1. A registry of pecuniary transactions; a written or printed statement of business dealings or debts and credits, and also of other things subjected to a reckoning or review.
2. A sum of money deposited at a bank and subject to withdrawal.

   "to keep one's account at the bank."

3. A statement in general of reasons, causes, grounds, etc., explanatory of some event; a reason of an action to be done.

   "No satisfactory account has been given of these phenomena."

4. A reason, grounds, consideration, motive; a person's sake.

   "Don't trouble yourself on my account."

5. A business relationship involving the exchange of money and credit.