DuckCorp Dico

Found one definition

1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   physical
      <jargon> The opposite of logical in its jargon sense.
      Compare real, virtual, and transparent.
      It is said that what you can touch and see is real; what you
      can see but not touch is virtual; what you can touch but not
      see is transparent; and what you can neither touch nor see is
      probably imaginary.
      (2001-10-26)