I just wrote down some meanings for all you newbies that are starting out. Billing address - the card owner address Drop - innerman. His task is to receive the money or goods and, accordingly, to give the part of the earnings to you. Biling - office, which has agreement with a bank. Also this office assumes payments for the cards. Card bill - it's a Bank emitent card bill. Bank-equirer - bank, in which the store opens the account. Merchant account - bank account for accepting credit cards. Merchant Bank - bank, through which occur the payments between the buyer and the salesman (frequently it is used as synonym "bank-equirer"). Cardholder - owner of the card. Validity - suitability card using. White plastic - a piece of the pure plastic, where the information is plot. CR-80 - rectangular piece of pure white plastic (without the drawing image) with the size of a credit card with the magnetic strip. Transaction - charege to the credit card POS terminal (Point Of Sale terminal) - reading card device, which stands at commercial point. PIN-code - the sequence, which consists of 4-12 numbers. It is known only to the owner of card. By simple words password for the work with ATM and so on. AVS - the card owner address checking. It is used for the confirmation of the card belonging exactly to its holder. "Globe" - card holographic gluing with the image of two hemispheres (MasterCard). Pigeon (hen) - card holographic gluing with the image of the flying pigeon (VISA). Reader - information reading device for the readout from the magnetic strip of card. Encoder - read/write device for the magnetic track of the card. Embosser - card symbol extrusion device. Card printer - card information printing device. Exp.date - card validity period. Area code - the first of 3 or 6 numbers of the card owner phone. CVV2, cvv, cvn - 3 or 4 additional numbers, which stand at the end of the number of card. ePlus - program for checking the cards. BIN - first 6 numbers of the card number due to those it is possible to learn what bank issued out the card and what is the type of this card (ATM-card, credit, gold, etc.). Synonym of word "Prefix". Chargeback - the cardholder's bank voids the removal of money from its card. Dump - information, which is written to the magnetic strip of the card, it consists of 1,2 or 3 tracks. Track (road) - a part of the dump with the specific information. Every 1-st track is the information about the owner of the card, 2-nd track - information about the owner of card, about the bank issued the card, etc. 3-rd track - it is possible to say - spare, it is used by stores for the addition of the points and other. Slip - synonym to the word "cheque" (conformably to card settlings). Card balance - money sum that finding on the card account