وَمِنْهَا: «إِذْ» وَهِيَ لِلْمَاضِي، وَتَقَعُ بَعْدَهَا الْجُمْلَتَانِ: الِاسْمِيَّةُ وَالْفِعْلِيَّةُ.
Translation: Idh refers to the past, and both nominal and verbal clauses can follow it.
The text uses idh for past time, followed by either nominal or verbal clauses. Its primary time reference contrasts with future-oriented idhā.