A description attached to the verbal noun can show the kind or quality of the action.
ضَرَبَ السَّارِقَ ضَرْبًا شَدِيدًا — he struck the thief severely.
- السَّارِقَ: maf'ul bihi, the person struck.
- ضَرْبًا: maf'ul mutlaq.
- شَدِيدًا: describes the striking as severe.
جَلَسَ جِلْسَةَ الْمُعَلِّمِ — he sat in the manner of the teacher.
The expression جِلْسَةَ الْمُعَلِّمِ specifies the kind of sitting.