Commentary explaining the meaning of the ayahs. One passage often covers several ayahs, so neighbouring ayahs can show the same text.
English Al-Mukhtasar tafsir for Surah An-Nazi'at — Ayah 18
فَقُلۡ هَل لَّكَ إِلَىٰٓ أَن تَزَكَّىٰ ١٨
“Then say to him: “O Pharaoh! Do you want to purify yourself from disbelief and sins?”