1. Only Allah knows the meanings of these separated letters. It teaches us intellectual humility that we do not know, only Allah knows, and we know only that which Allah teaches us.
2. That book. There is absolutely no doubt in it. Guidance! For the cautious.
3. Who believe in the unseen, establish a connection with Allah through Salah, and only out of what We have provided them, they spend.
4. And those who believe in whatever was sent to You and whatever was sent much before you and especially in the afterlife they have absolute and unshaken conviction as if they can see it and experience it.
5. Those people are committed to guidance from their Master and those people are the reapers of success.