Wren

Express your feelings with secret codes if you find using letters too awkward👍 #forucrush

Morse code, pigpen, phonetic alphabet, tap code, substitution ciphers, American sign language: fun secret spy codes for kids

Substitution ciphers are a way of encrypting or disguising language so that a phrase or paragraph can't be read by anyone who doesn't know the cipher. Ciphers are commonly made by substituting one letter for another. They're a fun way for...