وَيَنْشُرُ مَطْوِيَّاتِهِ وَيُظْهِرُ مَكْنُونَاتِهِ
It unfolds what is compressed and reveals what is implicit.
Maṭwiyyāt suggests material folded within a compact formulation. Maknūnāt refers to meanings not immediately visible. The point of commentary is to expose relevant connections, not merely to repeat the sentence with more words.
Illustration: 'Every originated thing has a cause' may require a definition of 'originated,' clarification of causation and an account of the inference. Explaining these premises brings out the reasoning that a literal translation alone does not convey.
However, every conceivable idea must not be presented as an implicit meaning. Context and evidence constrain interpretation.