What is the meaning of PEG in BIOSUEFI?

Aluminum Alloy Workbench Peg Brake Stops Bench Clamp 19 peg slot Shop Multi Slot Brochure Holder for Peg Boards pegasus 77 slot The motion of the peg P is constrained by the lemniscate curved slot in OB and by the slotted arm OA If OA rotates counterclockwise with an

pegasus slot game PCIe x16 Gen 4 Slot supports max 750W power for NVIDIA® or AMD 3-slot graphics card Inquiry Product, Description, Qty RCX-2330R-PEG, RCX-2330R PEG, 2 GigE