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-Naba — Ayah 14
وَأَنزَلۡنَا مِنَ ٱلۡمُعۡصِرَٰتِ مَآءٗ ثَجَّاجٗا ١٤
And I sent some clouds for which the time has come to pour down with abundant rain.