Nearly there. The Israelites had been wondering in the desert for years after leaving Egypt and for many of those Moses had led them. Now it was the turn of Joshua.
The river had to be crossed and through God’s miracle the waters parted. The priests went on the dry river bed first as they carried the ark. The rest of the Israelites followed.
Joshua wanted the miracle to always be remembered, so ordered the priests to collect twelve large stones from the dry river bed and erect them near the camp site. These were to be a memorial so they could tell their children and children’s children of what the Lord had done.
We too have memorial stones in our lives; times, places or events that God wants us to remember, or it may be a text, saying or memory. It can be a reminder of what God has done for us.