'Within' in the Bible

“Go throughout the camp and command the people, saying, ‘Prepare your provisions, for within three days you are to cross this [river] Jordan, to go in to take possession of the land which the Lord your God is giving you to possess [as an inheritance].’”

with the cities which were set apart for the sons of Ephraim within the inheritance of the sons of Manasseh, all the cities with their villages.

Then the second lot fell to Simeon, to the tribe of the sons of Simeon according to their families (clans), and their inheritance was within the inheritance of the sons of Judah.