Analysis must combine structure, context and intent, not merely label an isolated figure. Restriction differs from ordinary emphasis; an attention-arousing question differs from information seeking; and coordinating wāw must be distinguished from circumstantial or oath wāw.
PassageConstructionEffect
87:14qad aflaḥaAffirmed success
88:1hal atākaAttention and awe
88:6laysa ... illāRestricting the food
88:21innamā anta mudhakkirContextual delimitation of role
88:25–26inna + frontingEmphasis and exclusivity