Commentary explaining the meaning of the ayahs. One passage often covers several ayahs, so neighbouring ayahs can show the same text.
Indoniesua Al-Mukhtasar in Interpreting the Noble Quran tafsir for Surah Al-Inshiqaq — Ayah 18
وَٱلۡقَمَرِ إِذَا ٱتَّسَقَ ١٨
Dia bersumpah dengan bulan apabila telah sempurna dan menjadi purnama.