These questions ask for place, time, person, or reason.
Idiomatic meaning
Arabic
Where did your brother go?
أَيْنَ ذَهَبَ أَخُوكَ؟
When did your father return from Lahore?
مَتَى رَجَعَ أَبُوكَ مِنْ لَاهُورَ؟
Fatimah, who created you?
يَا فَاطِمَةُ مَنْ خَلَقَكِ؟
People, who created the heavens and the earth?
يَا أَيُّهَا النَّاسُ! مَنْ خَلَقَ السَّمَاوَاتِ وَالْأَرْضَ؟
Disbelievers, why did you disbelieve in Allah?
يَا أَيُّهَا الْكَافِرُونَ لِمَ كَفَرْتُمْ بِاللَّهِ؟