Answer:
What never asks questions but receives a lot of answers?
What stays in one corner but travels around the world?
What is found over your head but under your hat?
What goes through towns and over hills but never moves?
I am partially baked. I am not completely lit. I am a portion of the moon. I am lesser than full wit. I am a divider of the hour. I am not a total lie. I am a sibling through one parent.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.