What is the difference between a Kensington vs Noble lock slot?

Laptop Lock Wedge Ultra Slim - Masterkey wedge shaped lock slot This state of the art barrel key lock for Dell Latitude systems with the Noble wedge slot secures and protects your laptop and has many additional benefits wedge lock slot wedge-shaped lock slot Dell throws a USB-C to USB-A dongle and HDMI adapter in the box It would be nice to see a USB-A or Ethernet

wedgeshaped lock slot wedge-shaped lock slot Dell throws a USB-C to USB-A dongle and HDMI adapter in the box It would be nice to see a USB-A or Ethernet