# you set your mind to understand

"you determined to understand the vision"

# your words were heard

This can be expressed in active form. AT: "God heard your words" (See: [[rc://en/ta/man/translate/figs-activepassive]])

# prince

Here this refers to a spirit who has authority over a human nation. AT: "spirit prince"

# the kings of Persia

This probably refers to the various kings who ruled over nations in the Persian Empire, and who had to obey the king of Persia.

# Michael, one of the chief princes

"Michael, on of the chief angels" or "Michael, one of the archangels"