'Within' in the Bible

But you and your sons with you are responsible for your priestly duties, for everything at the altar and within the curtain. And you must serve. I give you the priesthood as a gift for service; but the unauthorized person who approaches must be put to death."

This is what the Lord has commanded for Zelophehad's daughters: 'Let them marry whomever they think best, only they must marry within the family of their father's tribe.