'Law' in the Bible

Does any one of you, when he has a complaint (civil dispute) with another [believer], dare to go to law before unrighteous men (non-believers) instead of [placing the issue] before the saints (God’s people)?

but instead, brother goes to law against brother, and that before [judges who are] unbelievers?

A wife is bound [to her husband by law] as long as he lives. But if her husband dies, she is free to marry whomever she wishes, only [provided that he too is] in the Lord.

Do I say these things only from a man’s perspective? Does the Law not endorse the same principles?

For it is written in the Law of Moses, “You shall not muzzle an ox while it is treading out the grain [to keep it from eating the grain].” Is it [only] for oxen that God cares?

To the Jews I became as a Jew, so that I might win Jews [for Christ]; to men under the Law, [I became] as one under the Law, though not being under the Law myself, so that I might win those who are under the Law.

To those who are without (outside) the Law, [I became] as one without the Law, though [I am] not without the law of God, but under the law of Christ, so that I might win those who are without law.

And all [of them] were baptized into Moses [into his safekeeping as their leader] in the cloud and in the sea;

It is written in the Law, “By men of strange tongues and by the lips of foreigners I will speak to this people, and not even then will they listen to Me,” says the Lord.

the women should be silent in the churches, for they are not authorized to speak, but are to take a subordinate place, as the Law says.

The sting of death is sin, and the power of sin [by which it brings death] is the law;