Commentary explaining the meaning of the ayahs. One passage often covers several ayahs, so neighbouring ayahs can show the same text.
English Al-Mukhtasar tafsir for Surah An-Najm — Ayah 16
إِذۡ يَغۡشَى ٱلسِّدۡرَةَ مَا يَغۡشَىٰ ١٦
When the lote tree was covered through the command of Allah by something great whose true nature only Allah knows.