Visas, permits, authorizations, and residency terms
Educational explanations of visa, permit, residency, and travel-authorization terms. These pages explain terminology only and do not provide immigration advice.
Immigration & Residency
A careful explanation of the UK Biometric Residence Permit concept, what it has traditionally represented, and why readers should check current official rules.
Last reviewed June 12, 2026 • UK immigration document terminology
Immigration & Residency
A neutral explanation of electronic travel authorizations, including how they differ from visas and why rules depend on the country.
Last reviewed June 12, 2026 • Electronic travel authorization terminology
Immigration & Residency
A plain-language explanation of temporary resident visas, how they differ from permits and status, and why the exact meaning depends on the country.
Last reviewed June 12, 2026 • Temporary resident visa terminology
Immigration & Residency
A general explanation of the U.S. Green Card concept, permanent residence terminology, and why official immigration guidance matters.
Last reviewed June 12, 2026 • United States permanent resident terminology
Immigration & Residency
An educational explanation of work permits, how they relate to immigration status, employers, countries, and conditions.
Last reviewed June 12, 2026 • Permission to work terminology
Immigration & Residency
A careful explanation of permanent residency as a general immigration concept, how it differs from citizenship, and why rules vary by country.
Last reviewed June 12, 2026 • Permanent residence terminology
