Commentary explaining the meaning of the ayahs. One passage often covers several ayahs, so neighbouring ayahs can show the same text.
Indoniesua Al-Mukhtasar in Interpreting the Noble Quran tafsir for Surah Ash-Shams — Ayah 4
وَٱلَّيۡلِ إِذَا يَغۡشَىٰهَا ٤
Dia bersumpah dengan malam hari apabila telah menutupi permukaan bumi sehingga menjadi gelap.