Overall meaning :
When the Trumpet is blown to signal the Resurrection and people rise from their graves, no one on that day will benefit from ties of kinship or boast about them, nor will they ask about one another.
Those whose good deeds weigh heavy in the scales will be successful, but those whose good deeds are light will be the losers and will remain in Hell for ever.
The Fire will scorch their faces, making them grimace horribly in it, their lips drawn back, revealing their protruding teeth.