realcode

noun
UK /ˈrɪəlkəʊd/
US /ˈriːəlkoʊd/

Realcode is the actual set of instructions a computer follows to do something.

The teacher showed us the realcode that makes the robot move.


OTHER MEANINGS

2. The genuine, working version of a program, as opposed to a pretend or practice one.

We practiced on a fake app before writing the realcode.

3. A secret pattern of letters and numbers used to unlock something.

Only the guard knew the realcode for the door.

4. The true hidden meaning behind a message or set of rules.

The detective figured out the realcode in the mysterious note.