وَإِلَىٰ رَبِّكَ فَٱرْغَب ٨
Sentence structure
وَإِلَىٰ رَبِّكَ is a fronted prepositional phrase. فَٱرْغَب is the imperative response with understood subject أَنْتَ.
Ayah summary
And direct your heart and longing to your Lord alone.
وَإِلَىٰ — And to
Grammar: وَ coordinates and إِلَىٰ is a preposition. This phrase is linked to «ٱرْغَب».
رَبِّكَ — your Lord
Grammar: A masculine genitive noun after إِلَىٰ; attached كَ is possessor.
فَٱرْغَب — then desire
Grammar: فَ introduces the response; the imperative has understood subject أَنْتَ.