Encipher is a term used in cryptography, which is the practice of keeping information secure. Enciphering is the process of transforming plain text into ciphertext, which is a form of encrypted text that can only be read by someone with the correct key. The terms CODE and ENCODE are related to encipher, but they have slightly different meanings. CODE refers to a system of symbols, letters, or words used to represent a message, while ENCODE is the process of converting information from one form to another.