And other faces that Day will be dust-stained. Darkness (Qatarah) will cover them.meaning, they will be overcome and covered with Qatarah, which is darkness.Ibn `Abbas said, تَرْهَقُهَا قَتَرَةٌ"This means that they (the faces) will be overcome with darkness."Allah said,أُوْلَيِكَ هُمُ الْكَفَرَةُ الْفَجَرَةُ