Answer:
I go around a yard but does not move.
What has one eye but cannot see?
What goes through cities and fields but never moves?
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.
A hole in a pole. Though I fill a hole in white I'm used more by the day and less by the night
I will disappear every time you say my name.