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 Al-Layl — Ayah 18
ٱلَّذِي يُؤۡتِي مَالَهُۥ يَتَزَكَّىٰ ١٨
colui che elargisce i propri beni nelle opere buone per purificarsi dai peccati.