He is the One Who gave the sun its brightness and the moon a reflected light, with precisely ordained phases, so that you may know the number of years and calculation ˹of time˺. Allah did not create all this except for a purpose. He makes the signs clear for people who want to understand.
Meaning:-
Precisely: something done with complete accuracy or perfection, in exact terms; without vagueness.
Ordained: to establish or order by appointment, decree, or law.