'Purchase' in the Bible

The purchase of the field and of the cave that is therein was from the children of Heth.

And if a man purchase of the Levites, then the house that was sold, and the city of his possession, shall go out in the year of jubile: for the houses of the cities of the Levites are their possession among the children of Israel.

So I took the evidence of the purchase, both that which was sealed according to the law and custom, and that which was open:

And I gave the evidence of the purchase unto Baruch the son of Neriah, the son of Maaseiah, in the sight of Hanameel mine uncle's son, and in the presence of the witnesses that subscribed the book of the purchase, before all the Jews that sat in the court of the prison.

Thus saith the LORD of hosts, the God of Israel; Take these evidences, this evidence of the purchase, both which is sealed, and this evidence which is open; and put them in an earthen vessel, that they may continue many days.

Now when I had delivered the evidence of the purchase unto Baruch the son of Neriah, I prayed unto the LORD, saying,