A work visa is a legal document that allows foreign nationals to work in a specific country for a designated period. These visas are typically issued by the government of the host country and may require sponsorship from an employer. Different types of work visas exist, each with its own eligibility criteria and application process. To obtain a work visa, applicants usually need to provide proof of a job offer, relevant qualifications, and sometimes undergo background checks. The rules and regulations governing work visas can vary significantly between countries, making it essential for applicants to understand the specific requirements of the country they wish to work in.