| Subject | English | Tamil |
| comp., MS | CAPS LOCK key | CAPS LOCK விசை (A toggle key that, when on, shifts the alphabetic characters on the keyboard to uppercase) |
| comp., MS | lock screen | பூட்டுத் திரை (The screen that appears when a user locks the PC) |
| comp., MS | lock token | lock மதிப்பு (The value that is returned on successful execution of the WebDAV LOCK method. This value is used to transact subsequent requests) |
| comp., MS | Lock Tracking | கண்காணிப்பைப் பூட்டு (An option that turns on change tracking and lets you set a password to prevent unauthorized users from turning it off) |
| comp., MS | rotation lock | சுழற்சி பூட்டு (A software setting that disables display rotation) |
| comp., MS | rotation lock button | சுழற்சி பூட்டு பொத்தான் (The button or slider on tablets and convertible tablets that rotates the display) |