The three or four base letters.
A can be stored on tablets (like an iPad), phones, or laptops. This means you can study on the go, whether on public transport, in the Masjid, or at home. You can also easily print the pages if you prefer writing by hand. Essential Components of an Effective Quran Notebook PDF
Write out the Arabic text into your PDF notebook. Writing by hand reinforces muscle memory and improves your Arabic handwriting.
Using a structured notebook facilitates the process of (pondering/reflection), which the Quran frequently emphasizes.