'Law' in the Bible

They indeed of the sons of Levi who receive the priest's office have a commandment to take tithes of the people according to the law, that is, of their brothers, though these have come out of the body of Abraham,

Now if there was perfection through the Levitical priesthood (for under it the people have received the law), what further need was there for another priest to arise after the order of Melchizedek, and not be called after the order of Aaron?

For the priesthood being changed, there is of necessity a change made also in the law.

who has been made, not after the law of a fleshly commandment, but after the power of an endless life:

(for the law made nothing perfect), and a bringing in of a better hope, through which we draw near to God.

For the law appoints men as high priests who have weakness, but the word of the oath which came after the law appoints a Son forever who has been perfected.

For if he were on earth, he would not be a priest at all, seeing there are priests who offer the gifts according to the law;

But now he has obtained a more excellent ministry, by so much as he is also the mediator of a better covenant, which on better promises has been given as law.

For when every commandment had been spoken by Moses to all the people according to the law, he took the blood of the calves and the goats, with water and scarlet wool and hyssop, and sprinkled both the book itself and all the people,

According to the law, nearly everything is cleansed with blood, and apart from shedding of blood there is no remission.

For the law, having a shadow of the good to come, not the very image of the things, can never with the same sacrifices year by year, which they offer continually, make perfect those who draw near.

Previously saying, "Sacrifices and offerings and whole burnt offerings and sacrifices for sin you didn't desire, neither had pleasure in them" (those which are offered according to the law),

A man who disregards Moses' law dies without compassion on the word of two or three witnesses.