"Again the 3 W's: What's an Orc, What's a meshbox village, and Where's CP Realm?"
DPH

An Orc is a type of fantasy character from Lord of the Rings and other similar works (like an elf, but ugly & evil/destructive).
A Meshbox village would be a group of architectural mesh products by Meshbox (a Vendor at CP and other places).
CP is Content Paradise - A content and support site associated with the company that currently owns/sells Poser, and linked to within recent versions of Poser.