A visa: is a document issued by a government that grants a foreign citizen permission to enter the country in question. it is usually a stamp that is issued by a foreign government and placed in a person’s passport. It states the purpose of the visit, the length of stay and the number of times the visa holder may enter the country.
Moreover, a visa grants the holder permission to enter a country for a specific purpose, such as tourism, business, or study. A visa is typically valid for a certain period of time, and the holder must leave the country before it expires.