Cryptography

In the history of cryptography, codes were already accepted for ensuring the acquaintance of communications, although ciphers are now acclimated instead. See cipher (cryptography).

Secret codes advised to abstruse the absolute messages, alignment from austere (mainly espionage in military, diplomatic, business, etc.) to atomic (romance, games) can be any affectionate of artistic encoding: flowers, bold cards, clothes, fans, hats, melodies, birds, etc., in which the sole requisite is the antecedent acceding of the acceptation by both the sender and the receiver