After loading your ledger report from Keystone below are the important columns you need to know.

Trade Date:  The day on which you execute the trade-in market.

Settlement Date: It will show the date on which your traded amount will be settled for withdrawing.

Type: There are few entry types. Below are the Types and Full Forms.

O/B: It means the Opening Balance of the ledger account or it will be the previous Financial Year's closing balance which will be shown in the ledger's next financial year.

PMT: The withdrawal payment from the trading account to the bank account 

RCP: The payment received from bank account to trading account 

Narration: - It will give details of all debit notes and credit notes.