What were the Urim & Thummim?

Note: In Hebrew, the heart is closer to the mind or thought, rather than emotions. We might feel emotions in our heart, but in the Bible, the heart had to do with discernment, decisions, and wisdom. Reference for white stone as approval: https://biblehub.com/topical/w/white_stone.htm If you like to have fun, I know just what to do. You should have fun with a book on Leviticus too! https://wipfandstock.com/9798385240333/leviticus-on-the-butchers-block/