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 'Abasa — Ayah 25
أَنَّا صَبَبۡنَا ٱلۡمَآءَ صَبّٗا ٢٥
Esso proviene dalla pioggia che scende dal cielo impetuosa e abbondante.