Joshua 12:14 lists the defeated kings in the southern region of Canaan that were conquered under the leadership of Joshua. This verse serves as a historical record of the victories that the Israelites achieved as they followed God's commands to possess the Promised Land. It highlights the fulfillment of God's promise to give the land to His people and demonstrates His faithfulness in granting them success in battle. The detailed account of the defeated kings showcases the precision and completeness of God's deliverance for the Israelites, reinforcing the importance of obedience and trust in His guidance.