'Basis' in the Bible

Then Ben-hadad said to him, “I restore to you the cities that my father took from your father, and you may set up marketplaces for yourself in Damascus, like my father set up in Samaria.”Ahab responded, “On the basis of this treaty, I release you.” So he made a treaty with him and released him.

“They will appoint men on a full-time basis to pass through the land and bury the invaders who remain on the surface of the ground, in order to cleanse it. They will make their search at the end of the seven months.