Codes and ciphers are a means of producing secret communications. Codes and ciphers are forms of cryptography, a term from the Greek kryptos, hidden, and graphia, writing. Both transform legible messages into series of symbols that are intelligible only to specific recipients. If you have a part that you didn't understand you can dm me to ask or chat me in my Facebook account 'Ashiana Nimedez' Thankyou.❤️