Question

⦁ What do they 3 rings represent?

Answer 1

~1. The Three Rings Are Magical Artifacts Forged By The Elves Of Eregion. After The One Ring, They Are The Most Powerful Of The Twenty Rings Of Power. The Three Rings Were Made By Celebrimbor After Sauron, In The Guise Of Annatar, Had Left Eregion.
~2.
Separation Of Powers: Is The Separation Of Branches Under The Constitution By The Legislative, Judicial, And Executive Branches Of Government. 
Check And Balance: Play The Roles Of The Three Branches Of Government. This System Was Made So That No One Branch Will Over Power The Other.

Hope this helps.