Visa can refer to different things

Credit/Debit Card:

A visa could refer to a credit or debit card issued by Visa Inc. It's a widely used payment card for transactions globally.

Travel Visa:

If you are referring to a journey visa, it could probably be a doc that enables an individual to enter or keep in one other country for a specific objective and period. Travel visas are usually issued by the embassy or consulate of the nation you plan to go to.

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Some people may also discuss with a piece visa, which is a allow allowing a overseas nationwide to work in a country for a particular job and length.

Visa nc.:

Visa Inc. is a world payments technology firm that facilitates digital funds transfers throughout the world. It provides the infrastructure to enable digital payments..