4وَإِنَّهُ في أُمِّ الكِتابِ لَدَينا لَعَلِيٌّ حَكيمٌ(Saheeh International)And indeed it is, in the Mother of the Book1 with Us, exalted and full of wisdom.2 i.e., the Preserved Slate (al-Lawḥ al-Maḥfūth).Also, "precise" or "specific."