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-Waqi'ah — Ayah 39
ثُلَّةٞ مِّنَ ٱلۡأَوَّلِينَ ٣٩
Essi sono una parte dei popoli dei profeti del passato,