The garments and the consecration ceremony for the Aaron and his sons emphasize that the way to approach God is through a perfect priest offering a perfect sacrifice.
From all of eternity God held a secret, which he finally revealed through his church to all the heavenly beings.
After the Covenant of Works/Life resulted in failure and death for humans, God dealt with them on the basis of his grace, or free...
After God confirmed his covenant with Israel, and Israel broke it, God graciously renewed it again.