What the heck is the diff between PCI and PEG ?

Solved The motion of the peg P is constrained by the peg slot I am very sure that I overlook something in the manual, but is PEG 0 or 1 the graphic card and what is the other? peggy sweets slot What is a PEG slot? I ran a system scan and it says its a PCI express 32x slot Its in use Whats using it? Can I use this for a graphics

pegasus slot machine • Upright screwdriver storage for peg boards • Holds up to 8 screwdrivers • Designed for use on all common pegboard sizes • Tools tilt slightly for added