'Commandment' in the Bible

If you fear the LORD, serve him, obey him, and don't rebel against the commandment of the LORD, then both you and the king who rules over you will truly follow the LORD your God.

But if you don't obey the LORD and rebel against the commandment of the LORD, then the LORD will turn against you as he did against your ancestors.

Then Samuel told Saul, "You have acted foolishly. You haven't obeyed the commandment of the LORD your God, which he commanded you. For then the LORD would have established your kingdom over Israel forever,