'Custom' in the Bible

And he made ten golden lampstands according to their custom, and he set [them] in the temple, five on the south and five on the north.

the lampstands, and the lamps for burning according to the custom before the inner sanctuary, of solid gold;

Then they stood at their positions according to custom, according to the law of Moses the man of God. The priests were sprinkling the blood from the hand of the Levites.