|This symbol represents the name of God, or Allah, in Kufic.|
|This symbol represents the name of Mohammad, the Prophet of Islam, in Kufic.|
|This symbol represents the name of 'Ali in Kufic. 'Ali was the name of the Prophet's son-in law and according to Shi'ite belief, his rightful successor, although the Sunnis count him as the fourth Caliph. He is credited with the invention of Kufic script, and 'Ali Reza, the greatest of Iranian calligraphers, said that his skill in calligraphy derived from his first name.|
The most just, the most glorious Sultan, Abu'n Nasr Hassan Bahadur - may God preserve his kingdom and Sultanate! ordered the restoration of what was in seriously bad condition in this majestic Masjed-e-Jami and the renewal of this high roof after its dilapidation, in order to save it from ruin; [done] out of his own resources in the year 1475 (880 H.) p. 1070However the same author has pointed out the untrustworthiness of such inscriptions which generally greatly exaggerated the munificence of the donor. He suggests that refurbishment rather than re-design took place and that the basic framework of the building is likely to date from the previous century. The central arch is supported on two lateral arches which are connected at their bases to the side walls and at their points to the sides of the central arch. The elaborate system of squinches has then been laid on top of this skeleton.