[tpm] Understanding 'use base ...'

[Madison Kelly]

Hi all,

   I am working on some docs, and noticed that a module is called via:

use base qw(Net::DBus::Object);

   I am trying to understand the 'use base' syntax, and all I've been 
able to find in perldoc is in perlmodlib:

base        Establish IS-A relationship with base classes at compile time

   Can someone either explain to me what this means, or better, point me 
at what docs explain "IS-A relationship"s? I hate "just accepting" that 
something is at it is. Probably why I never get anything actually done. :)

   Thanks as always!

Madi