This is a series of seven Surahs (40-46) to which are affixed the Abbreviated Letters Ha Mim. Chronologically they all belong to the same period, the later Makkan Period, and they immediately follow the last Surah in time. As to the precise meaning of Ha Mim no authoritative explanation is available. If Mim here has a signification similar to Mim in Alif, Lam, Mim, it means the End of things, the Last Day, and all these Surahs direct our special attention...