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 Ash-Shams — Ayah 2
وَٱلۡقَمَرِ إِذَا تَلَىٰهَا ٢
E giurò sulla luna quando segue le sue tracce dopo il tramonto.