Answer:
Of these things - I have two. One for me - and one for you. And when you ask about the price I simply smile and nod twice.
To cross the water I'm the way. For water I'm above I touch it not and truth to say I neither swim nor move.
I begin and have no end. Eventually I will be the end of all that has begun.
I like to twirl my body but keep my head up high. After I go in everything becomes tight
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down, but should not be forgotten. What am I?
What language does a billboard speak?