Foreordination:
Ordaining, decreeing, or determining something beforehand.
Foreknowledge:
Knowledge of a thing before it happens or exists.
Predestination:
The view that God’s exercise of his foreknowledge is infinite, and that he does foreordain the course and destiny of all individuals.
For what reason does God use his ability of foreknowledge and foreordination?
In support of his purposes.
What way does God use foreknowledge?
Selectively.