Definition - What does Physical Address mean?
In IT, a physical address refers to either a memory location, identified in the form of a binary number, or a media access control (MAC) address.
A physical address is also known as a binary address or a real address.
Techopedia explains Physical Address
In networking, physical address refers to a computer's MAC address, which is a unique identifier associated with a network adapter that is used for identifying a computer in a network.