'Concerning' in the Bible

concerning His Son, who was born of a descendant of David according to the flesh,

For the married woman is bound by law to her husband while he is living; but if her husband dies, she is released from the law concerning the husband.

Isaiah cries out concerning Israel, “Though the number of the sons of Israel be like the sand of the sea, it is the remnant that will be saved;

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