Answer:
I'm sometimes white but most often I'm black. I take you there but never bring you back.
I run through hills. I veer around mountains. I leap over rivers and crawl through the forests. Step out your door to find me. What am I?
Everyone has me except for a few. You may not be able to identify me but I can always identify you. What am I?
My first half means container. Not a lot of people understand my language.
I am a protector. I sit on a bridge. One person can see right through me while others wonder what I hide.
What never gets any wetter no matter how hard it rains?