de·code 
/diˈkoʊd/ verb
de·codes; de·cod·ed; de·cod·ing /diˈkoʊd/ verb [+ obj] 1 : to change (secret messages, documents, etc.) from a set of letters, numbers, symbols, etc., you cannot understand into words you can understand
▪ The government agents finally decoded [=deciphered] the message. — compare code, encode 2 : to find or understand the true or hidden meaning of (something)
▪ Readers can easily decode the novel's imagery. ▪ I'm trying to decode the expression on her face. 3 technical : to change signals for a radio, television, etc., to a form that can be heard or seen correctly
▪ The box decodes the digital signal for your CD player.
▪ The government agents finally decoded [=deciphered] the message. — compare code, encode
▪ Readers can easily decode the novel's imagery. ▪ I'm trying to decode the expression on her face.
▪ The box decodes the digital signal for your CD player.
