Commentary explaining the meaning of the ayahs. One passage often covers several ayahs, so neighbouring ayahs can show the same text.
Tafsir Ibne Kathir tafsir for Surah Al-Fajr — Ayah 19
وَتَأۡكُلُونَ ٱلتُّرَاثَ أَكۡلٗا لَّمّٗا ١٩
«И жадно пожираете наследство» - т.е. законное и незаконное накопление богатства,