'Matters' in the Bible

Now when King David heard of all these matters, he was very angry.

Pethahiah the son of Meshezabel, of the sons of Zerah the son of Judah, was the king’s representative in all matters concerning the people.

A Song of Ascents, of David.O Lord, my heart is not proud, nor my eyes haughty;Nor do I involve myself in great matters,Or in things too difficult for me.

Righteous are You, O Lord, that I would plead my case with You;Indeed I would discuss matters of justice with You:Why has the way of the wicked prospered?Why are all those who deal in treachery at ease?