What do the visa expiration date and the number of entries mean?
Consular Officers determine how long your visa will be valid for and for how many entries. In general “multiple entry”, visas are issued, but Consular Officers will limit the number of entries in some cases. For example, if you receive a multiple entry visa valid for five years, you can apply for admission into the Unites States as many times as you wish in the next five years. If you receive a one entry, three month validity visa, this means you can only apply for admission into the United States once within the next three months.