To convert a coded message into a readable form. verb
The spy was able to decode the secret message.
The software can decode the encrypted data files.
To analyze and interpret a complex or obscure text or signal. verb
The linguist worked to decode the ancient manuscript.
Scientists are trying to decode the signals from outer space.
To extract meaning from a non-verbal communication or behavior. verb
She tried to decode his body language during the conversation.
The psychologist helped decode the child's drawings to understand his feelings.