In the sixteenth century. , Fun when these were banned by the authorities , the nature of the rebus changed. Rebus were called pun pun. Often it was a puzzle , consisting of images of different objects (often interspersed with letters, numbers and music notes ) , whose names do not represent concepts expressed subject clue words, but resemble them in pronunciation or consonance ( without relation to spelling ). For example, depicted in Rebus horse , tea , ribbons , roses read : ending frost ; forehead, zeros - burst , etc.