“وَ” (wa)a joining word meaning “and.” It connects this word to what came before.Corpus grammarCONJ — prefixed conjunction wa (and).
“أَنَّ” (ʾaanna)This is a word of emphasis. It means “indeed” or “certainly,” making the statement that follows stronger.Corpus grammarACC — accusative particle.
“هُمْ” (hum)an attached pronoun meaning “they” or “them.”Corpus grammarPRON — third person masculine plural attached pronoun.