'Concerning' in the Bible

concerning his Son (come of David's seed according to flesh,

But Esaias cries concerning Israel, Should the number of the children of Israel be as the sand of the sea, the remnant shall be saved:

So then each of us shall give an account concerning himself to God.

But I am persuaded, my brethren, I myself also, concerning you, that yourselves also are full of goodness, filled with all knowledge, able also to admonish one another.

but according as it is written, To whom there was nothing told concerning him, they shall see; and they that have not heard shall understand.