'Matters' in the Bible

For every high priest selected from among men is appointed to officiate on their behalf in matters relating to God, that is, to offer gifts and sacrifices for sins.

of teaching about washings (ritual purifications), the laying on of hands, the resurrection of the dead, and eternal judgment. [These are all important matters in which you should have been proficient long ago.]

For men indeed swear by a greater, and with them the oath is a term to all dispute, as making matters sure.

They served only for matters of food and drink and various washings; they are external regulations imposed until the new order came.

For the law having a shadow of the coming good things -- not the very image of the matters, every year, by the same sacrifices that they offer continually, is never able to make perfect those coming near,

And faith is of things hoped for a confidence, of matters not seen a conviction,