What is another word for secret writing?
Pronunciation: [sˈiːkɹət ɹˈa͡ɪtɪŋ] (IPA) 
Secret writing is a way of conveying a message that only certain people can understand. This form of communication has been used throughout history in various forms, including cryptography and steganography. Synonyms for secret writing include cipher, code, encryption, cryptogram, hidden language, invisible ink, and code language. Each of these synonyms refers to a specific method of secret writing, such as using symbols or codes to represent letters or utilizing a special type of ink that is invisible until a specific process is applied. Whatever the technique, secret writing has been an essential tool for espionage, military strategy, and other covert communication purposes throughout history.
