What is a Virtual Office?

According to Wikipedia, a virtual office is any business solution that combines space, technology, and services without the capital costs of owning or leasing an actual workspace. In simple terms, virtual offices allow businesses to have an address and the opportunity to use administrative services without incurring the overhead of an office lease and staffing.
https://www.ibc.co.uk/blog/get-quality-virtual-offices-services-in-economical-budget-in-ilford/