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 Al-Qamar — Ayah 28
وَنَبِّئۡهُمۡ أَنَّ ٱلۡمَآءَ قِسۡمَةُۢ بَيۡنَهُمۡۖ كُلُّ شِرۡبٖ مُّحۡتَضَرٞ ٢٨
Tell them that the water of their well is divided between them and the she-camel: one day for it and one day for them. Each turn will be attended by its owner alone on the day allocated to him.