key HR functional areas

Thoroughly review the following video: https://www.youtube.com/watch?v=A2HFusWQIeE&t=1s Based on your review, please respond to the following: Specifically focus on the key HR functional areas. Now, select any 3 of the functional areas that would be your first, second, and third choices if you could work in HR. List each by priority and briefly explain why you selected your choices.