A padlock enclosing a numeral, marking the numeric keypad latch.
A padlock drawn around a numeral marks the num lock key, which latches the numeric keypad into producing digits rather than acting as cursor keys.
Marks the key that latches the numeric keypad into digit entry; released, the same keys act as cursor and navigation keys.
Contexts: Software
The padlock is the shared element of the lock keys, which is why scroll lock and caps lock indicators are drawn the same way on many keyboards.
Contexts: Software
A padlock shape — a rounded shackle above a squared body — with a numeral one drawn inside the body.
Both are built from objects, and both are used in software contexts.