Bank card
A plastic card encoded with customer account information that is accepted by merchants and used to credit accounts for processing sales transactions. Credit cards are the most common type of bank card.

Batch
A single day’s series of credit card transactions. Some terminals and real-time processors collect all of the transactions and then do a batch at the end of day. Others processors batch them throughout the day. Some processors will batch your transactions automatically for you, others may not offer this service.

Batch close

The process of submitting a batch of credit card transaction information to a financial institution for settlement. Sometimes also called "batching out".

Batching out
Batching out is an industry term for the exchange of transaction data between the merchant and cardholder's banks, which results in the deposit of funds into the merchant's account. This usually takes place at the end of each business day.

Better Business Bureau
A non-profit, member-funded organization of thousands of US businesses dedicated to building fair and honest relationships between businesses and consumers. The BBB uses news alerts, databases, and other methods to maintain an ethical business environment. This can be a great source of information when “checking up” on a company you’re considering doing business with. You’ll also want to maintain a positive standing with the BBB in your own business.

Biometrics
The use of measurable living traits (such as fingerprints) as a way to control access to secured information, locations, etc. Generally used in place of, or in addition to passwords or other ID verification systems.