Dic: an account (review of some of its meanings)

1) a verbal or written report, description, or narration of some occurrence, event, etc

2) an explanation of conduct, esp one made to someone in authority

CF. OALD_ description |
6. a written or spoken description of something that has happened:
_ He gave the police a full account of the incident.
_ The diaries contained detailed accounts of the writer's experiences in China.

7. an explanation or a description of an idea, a theory, or a process
_ the Biblical account of the creation of the world

3) ground; basis; consideration (often in the phrases on this (that, every, no, etc.) account, on account of)

4) importance, consequence, or value: of little account

5) assessment; judgment

6) profit or advantage: to turn an idea to account

7) part or behalf (only in the phrase on one's or someone's account)

9) a statement of monetary transactions with the resulting balance

CF. OALD_ business records | 2. [usually plural] a written record of all the money that a business pays out and receives:
_ to do the accounts
_ to keep the accounts up to date
_ accounts payable/accounts receivable

8) (finance)
 _a) a business relationship between a bank, department store, stockbroker, etc., and a depositor, customer, or client permitting the latter certain banking or credit services
 _b) the sum of money deposited at a bank
 _c) the amount of credit available to the holder of an account
 _d) a record of these

11) (book-keeping) a chronological list of debits and credits relating to a specified asset, liability, expense, or income of a business and forming part of the ledger

other entries omitted.

.... Collins, OALD