The domains of mystic topics in related text greatly expanded in the late 6th and 7th centuries (A.H). This expansion led to the use of new lexical items for the expression of new concepts. One domain is the lexical domain used for the description of different levels of existence. Letter (harf), word (kalameh), discourse (kalām), book (ketāb), pen (qalam), etc. are parts of this domain. This wo...