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 Ash-Sharh — Ayah 1
أَلَمۡ نَشۡرَحۡ لَكَ صَدۡرَكَ ١
Kami telah melapangkan bagimu dadamu, maka Kami menjadikanmu senang menerima wahyu.