Regular Arabic fonts (Tahoma, Traditional Arabic) map one character to one glyph. Quranic script requires contextual shaping. The letter "Haa" looks different at the start, middle, and end of a word. files contain OpenType layout tables that dictate these contextual changes. Furthermore, a standard font rarely includes the 1,200+ ligatures needed for the seamless flow of the Quranic script.
The Complete Guide to Quran Fonts (TTF): Beauty, Accuracy, and Digital Recitation quran font ttf
The move from physical Mushafs to digital apps requires fonts that can handle thousands of unique glyph combinations. Regular Arabic fonts (Tahoma, Traditional Arabic) map one