Glossary of Terms: O
Offline Debit
Debit transaction that occurs when a Visa/MasterCard check card is authorized through the credit card system and the amount is debited from the cardholder's checking (DDA) account.
Offline Transaction
A transaction that is authorized through a voice authorization and later keyed into a POS terminal prior to settlement.
OK Number
A validation number from the host computer confirming a successful batch deposit.
Online Transaction
A transaction that is authorized electronically from the front-end network.
