“فَ” (fa)This word resumes the flow after a pause or change in thought.Corpus grammarREM — prefixed rem particle.
“سَ” (sa)This word points the meaning toward the future, like “will.”Corpus grammarFUT — prefixed fut particle.
“تُبْصِرُ” (tubṣiru)means “So you will see” in this verse. It is a verb. an action or state word. Here it is imperfect verb, verb pattern four, second person — masculine — singular.Corpus grammarV — second person masculine singular imperfect verb.