Hello wikkyahmedkhan and welcome to the UAE visa
A UAE residence visa
is permission to live in the UAE, and is stamped in your passport, usually valid for 3 years, and usually sponsored by your employer which is why it's sometimes called a UAE employment visa, or UAE employment residence visa or similar. This is issued by the UAE immigration authority
A UAE employment entry permit (or visa) is a short term entry permit which an employer arranges for an employee to enter the UAE. After entry, the sponsor/employer then arranges a residence visa and work permit.
A labour card or work permit is permission to work in the UAE and is arranged in conjunction with a residence visa. The residence visa is stamped in the passport, the work permit is a separate plastic card issued by the Ministry of Labour in the UAE
. Sometimes people call this an employment visa.