Answer:
What travels from house to house and is sometimes narrow and sometimes wide but always stays outside?
My first keeps time, my second spends time, my whole tells time.
I am mother and father, but never birth or nurse. I'm rarely still, but I never wander.
It is worldwide, but once only a spider could weave one
I'm very tempting, so its said, I have a shiny coat of red, and my flesh is white beneath. I smell so sweet, taste good to eat, and help to guard your teeth.
What language does a billboard speak?