DeviceLocationEffect
Repeated nounAl-qāriʿah, mā al-qāriʿahAwe and focus
Magnifying questionWa-mā adrākaSuspense and gravity
Descriptive similesPeople and mountainsMaking the scene visible
Division into outcomesFa-ammā … wa-ammāTwo contrasting destinations
Calling both occurrences of mā adrāka simply 'repetition' leaves out their different discourse targets. First the question magnifies the event itself, then it magnifies the fate of one of the two groups. Similar words can therefore perform contextually differentiated functions.