A work visa is a legal document that allows a foreign national to work in a specific country for a designated period. It is typically issued by the government of the host country and may require sponsorship from an employer. Work visas often have specific conditions, such as the type of job, duration of stay, and eligibility criteria. To obtain a work visa, applicants usually need to provide documentation, including proof of employment, qualifications, and sometimes a background check. Different countries have various types of work visas, each with its own rules and application processes, making it essential for applicants to understand the requirements of the specific country they wish to work in.