'Course' in the Bible

it seemed good to me also, having traced the course of all things accurately from the first, to write unto thee in order, most excellent Theophilus;

There was in the days of Herod, king of Judaea, a certain priest named Zacharias, of the course of Abijah: and he had a wife of the daughters of Aaron, and her name was Elisabeth.

Now it came to pass, while he executed the priest's office before God in the order of his course,

I know that ye are Abraham's seed: yet ye seek to kill me, because my word hath not free course in you.

And as John was fulfilling his course, he said, What suppose ye that I am? I am not he . But behold, there cometh one after me the shoes of whose feet I am not worthy to unloose.

Setting sail therefore from Troas, we made a straight course to Samothrace, and the day following to Neapolis;

But I hold not my life of any account as dear unto myself, so that I may accomplish my course, and the ministry which I received from the Lord Jesus, to testify the gospel of the grace of God.

And when it came to pass that were parted from them and had set sail, we came with a straight course unto Cos, and the next day unto Rhodes, and from thence unto Patara:

wherein ye once walked according to the course of this world, according to the prince of the powers of the air, of the spirit that now worketh in the sons of disobedience;

I have fought the good fight, I have finished the course, I have kept the faith:

And there was given them to each one a white robe; and it was said unto them, that they should rest yet for a little time, until their fellow-servants also and their brethren, who should be killed even as they were, should have fulfilled their course .