'Memorial' in the Bible
God also said to Moses, "You must say this to the Israelites, 'The Lord -- the God of your fathers, the God of Abraham, the God of Isaac, and the God of Jacob -- has sent me to you. This is my name forever, and this is my memorial from generation to generation.'
This day will become a memorial for you, and you will celebrate it as a festival to the Lord -- you will celebrate it perpetually as a lasting ordinance.
It will be a sign for you on your hand and a memorial on your forehead, so that the law of the Lord may be in your mouth, for with a mighty hand the Lord brought you out of Egypt.
The Lord said to Moses, "Write this as a memorial in the book, and rehearse it in Joshua's hearing; for I will surely wipe out the remembrance of Amalek from under heaven.
You are to put the two stones on the shoulders of the ephod, stones of memorial for the sons of Israel, and Aaron will bear their names before the Lord on his two shoulders for a memorial.
Aaron will bear the names of the sons of Israel in the breastpiece of decision over his heart when he goes into the holy place, for a memorial before the Lord continually.
You are to receive the atonement money from the Israelites and give it for the service of the tent of meeting. It will be a memorial for the Israelites before the Lord, to make atonement for your lives."
He put them on the shoulder pieces of the ephod as stones of memorial for the Israelites, just as the Lord had commanded Moses.