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 9
فَكَانَ قَابَ قَوۡسَيۡنِ أَوۡ أَدۡنَىٰ ٩
So his closeness to him was the distance of two bow lengths or even closer.