It’s likely to be revealed in Mecca as there’s a reference to it in surat Al Hijr:” و لقد ءاتيناك سبعًا من المثاني و القرآن العظيم” ” We granted you seven of the oft repeated verses and the holy Quran.
It has a special nature that differentiates it from the other suar. It isn’t a legislative or a faith-related one rather it’s a gift from Allah to his servants to teach them how to seek refuge, start their works and appreciate the attributes of Allah who is the only one worthy worship and so the only to whom we ask guidance.
So, it’s called the opening of suar, the mother of the book and the seven oft-repeated verses. It equals two-thirds of the whole Quran in virtue. Reciting it in praying is compulsory.
Now, let’s watch the presentation of this issue that entails the verses( ayat) of the surah in detail and an exercise on it.