What is the correct term for the 'Slot and Lock' mechanism? It

I was wondering if anyone could explain and give links to how the locking mechanism for an sd card slot actually locks the sd card into the slot in a laptop

Locking System for Peripherals · Locking System with 3-Digit Keycode · MASTER KEY FOR PADLOCK

slot machines buffalo Lock Slot of Folding Table Reference: 002 Lock Pin of Folding Table, Locking System Elements for Folding Table Lock Slot of Folding Table search

slot hub Laptop locks are the first line of defense against device theft They engage on the lock slot with one purpose, to lock the device from an anchor point