What is Kensington Security Slot in electronics equipment in Hindi?

Due to size constraints, these recessed slots are only compatible with single-piece Kensington locks A recessed Kensington security slot looks like this:

The slot is used to attach an anti-theft wire lock that is sold mainly for computers

kensington security lock slot It is very clear from your photos that the design of your lock is at fault and is clearly not suitable for the MBP Under the locking T-bar are

kensington nano security slot The ClickSafe® Combination Laptop Lock for Nano Security Slot delivers trusted combination lock security to laptops with nano anchor slots