Commentary explaining the meaning of the ayahs. One passage often covers several ayahs, so neighbouring ayahs can show the same text.
Italian Al-Mukhtasar in interpreting the Noble Quran tafsir for Surah Ar-Rahman — Ayah 66
فِيهِمَا عَيۡنَانِ نَضَّاخَتَانِ ٦٦
In questi due Paradisi vi sono due fonti d'acqua che emettono abbondanti gettiti, senza fine.