What is the Kensington Security Slot on the laptop? What does it do?

What is the Kensington Security Slot on the laptop? What does it do? lock slot Get all 3 tips in one lock to fit any laptop slot This 3-in-1 laptop lock kit fits standard, nano, or wedge-shaped laptop security slots! The kit comes locker slot The Noble Locks Wedge slot is designed to solve the height issue of sleeker low-profile laptops Our patented design gives the lock head additional area to

locker slot Ultra high resistant security slot for mobile devices

locked mailbox with slot Pre-Assembly Insertion Lock Nut Buy a Kensington Slim N17 Combination Laptop Lock for Wedge-Shaped Slot