Arabic phraseAct of worshipShared intention
صَامَ رَمَضَانَFasting Ramadanإِيمَانًا وَاحْتِسَابًا
قَامَ رَمَضَانَNight prayer in Ramadanإِيمَانًا وَاحْتِسَابًا
قَامَ لَيْلَةَ الْقَدْرِPrayer on the Night of Decreeإِيمَانًا وَاحْتِسَابًا
Fasting and prayer are distinct acts of worship; sincerity is required in both, but one does not replace the other. مَا تَقَدَّمَ مِنْ ذَنْبِهِ refers to “his preceding sins.”