To swipe a credit card has two meanings. The most usual meaning is the action of passing a credit card through a machine which reads the card's magnetically encoded data. In British English swipe also means to steal, nick, pinch or purloin, so to swipe a credit card could also mean to steal it.
It means the card number is on a list of cards reported stolen or other invalidated for use.
It is the long set of big numbers running across the middle of the face of the card (usually divided into 4 blocks of 4 numbers).
Merchant Total ... it is a monthly charge from your credit card processor for running Mastercard/Visa transactions.
It means a credit card company wants to put you into debt by giving you a credit card you can use.
If you mean a credit freeze, then no, you will not be able to use the card.
In terms of a credit card it means Card Verification code hence CVC.
Credit card negotiation is when you contact the bank and negotiate your credit card debt. This can mean negotiating a payment plan or just trying to get the overall debt reduced.
Card Verification Code
Card Verification Number
From my experience (being a cashier), you only see "unathorized card" if you try to run a credit only card (such as American Express) as a debit. I've seen a few unemployment cards display an "unathorized card" message whenever someone tried to run it as a "credit" instead of "debit". It could mean something else entirely, however, as MOST unemployment cards will run as credit, even though the rules say you MUST run it as debit.
A secured credit card is a credit card for people with poor credit ratings that must deposit the desired amount on money before using the card. The card is similar to a pre-paid credit card that allows credit ratings to get better.