Answer:
Round as a button, deep as a well. If you want me to talk, you must first pull my tail.
What types of words are these: madam, civic, eye, level?
With head without hair. With mouth without tooth.
What covers its face with its hands, speaks no language, yet most known what it's saying?
I have split the one into five. I am the circle that few will spy. I am the path that breaks and gives. I am the bow no man may bend.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.