Dreaming about tapping

to hear tapping in your dream suggests that your unconscious is trying to attract your attention to some aspect of yourself or to some waking situation a new opportunity may be presented to you this dream may also be a warning not to pay attention to gossip, or indulge in it yourself
To dream that you knock, indicates that you should not rely on old tricks to achieve success to dream that you hear knocking, suggests that you should prepare for costs and surprises that you did not anticipate