Answer:
I dance on one feet and knows only one shape. Someone with same name as me is very good with directions
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
I'm as simple as a circle worthless as a leader; but when I follow a group their strength increases tenfold. By myself I'm practically nothing.
I am all around you, but you cannot see me. I have no throat, but you can hear me. Valued during summer but despised in the winter. What am I?
What is the beginning of eternity the end of time and space the beginning of every end and the end of every race?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.