God exalted be He says They await but a single Cry namely the cry of Isrāfīl’s First Blast that will seize them while they are disputing read yakhassimūna which is actually yakhtasimūna where the vowel of the tā’ has been moved to the khā’ and it the tā’ has been assimilated with the sād in other words while they are oblivious to it busily engaged in disputes concluding bargains eating and drinking and so on; a variant reading has yakhsimūna similar in pattern to yadribūna in which case the meaning is while they dispute with one another.