Encode

In telecommunication, the term encode has the following meanings:

1. To convert data by the use of a code, frequently one consisting of binary numbers, in such a manner that reconversion to the original form is possible.

2. [To] Convert plain text to equivalent cipher text[?] by means of a code.

3. To append redundant check symbols to a message for the purpose of generating an error detection and correction code.

Source: from Federal Standard 1037C and from MIL-STD-188 and from the National Information Systems Security Glossary