codesystem

noun
UK /ˈkəʊdˌsɪstəm/
US /ˈkoʊdˌsɪstəm/

A code system is a set of rules that tells a computer how to turn ideas into signs it can use.

The app uses a code system to turn letters into secret symbols.


OTHER MEANINGS

2. A set of agreed symbols used to store or send information.

Morse code is an old code system for sending messages.

3. A collection of numbered labels used to organize things like books or products.

The library's code system helps you find any book quickly.

4. The way a computer represents letters and numbers as numbers.

ASCII is a common code system for text on computers.