Tap dancing turns the feet into a drum, so it is read as wanting to be heard as well as seen. It can also reflect cheerful effort to keep the mood light while working very hard underneath.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.