No up, no down card center (type one word)

If the card does not go up or down, the word "card" written in the center is a card.

Ka: qiǎ; kǎ. Setting up troops and ponds to guard key passes is a paradigm of blocking. The original meaning of qiǎ is an inspection or tax collection place set up on a traffic thoroughfare. Such as: levels, clips. The extended meaning is "an instrument for holding things". Such as: card issuance, tie card. Such as being caught in the middle, blocking. For example: stuck, fish bone stuck in the throat.

Also used as a surname. The extended meaning means "pressing tightly with the tiger's mouth of the hand". Such as getting stuck in the neck. Stuck. The extended meaning of kǎ is to block the enemy's retreat. It refers to special tools for mechanical engineering.

It is also used as a surname. It is a tool used to store information or represent identity, such as bank cards, credit cards, etc. Bank cards refer to consumer credit, transfer settlement, deposit and withdrawal issued by commercial banks (including postal financial institutions) to the society. A credit payment instrument with full or partial functions such as cash

CreditCard is issued by a bank or other financial institution to those with good credit status for shopping and consumption at designated merchants, or at designated stores. The special card used by banking institutions to deposit and withdraw cash is a special credit certificate.

Card security issues:

First of all, cardholders need to pay attention immediately when they get a new card. Sign on the back of the card. The signature should be consistent with the reserved signature on the credit card application form. He recommends that cardholders use passwords, signatures, and verification methods to enhance the security of their bank cards.

Secondly, under any circumstances, cardholders cannot tell others their passwords, including card issuers or bank staff. It is emphasized that no card issuer or bank staff will ask cardholders to reveal their passwords. Cardholders must be vigilant about such calls and text messages.

In addition, when cardholders receive the new bank card password envelope, they should check whether the envelope is intact and if the password envelope is damaged or opened. If there are any signs, you should immediately request a replacement from the card issuing bank