نَحْوُ: «زَيْدٌ قَائِمٌ».
Translation: For example, “Zayd is standing.”
زَيْدٌ: mubtadaʾ, nominative with visible ḍamma, definite because it is a proper name.
قَائِمٌ: khabar, nominative with visible ḍamma, indefinite in this example.
Ask: whom are we speaking about? Zayd. What is being stated? That he is standing.