+**Codes** are systems of rules that transform [Information](/wiki/information) into another form, often for brevity, secrecy, or efficiency. They allow [Communication](/wiki/communication) across diverse mediums, from simple signals to complex digital patterns.
+## See also
+- [Cipher](/wiki/cipher)
+- [Encoding](/wiki/encoding)
+- [Language](/wiki/language)
... 1 more lines