The Qur'an.
The Islamic sacred text is called the Qur'an
The Koran .
Islamic calligraphy is a beautiful work of writing that uses the Arabic text as the basis of a written text, therefore, Islamic calligraphy is often called by the Arabic calligraphy. Islamic calligraphy is an art expression implementation Muslim artists from around the world to express their love to God.
Sunni
koran (or Quran) of course
You may check any of the Islamic sites.
Definition: The title Hafiz is given to anyone who has managed to memorize the entire text of the Qur'an. Teaching the text and recitation of the text forms a fundamental aspect of Islamic beliefs.
Is an islamic text book because the not mentined it
The Arabic language and text is essential for the practice of Islam. If by text the question is referring to a particular document, it would be the Qur'an. The Hadith, the Sirat an-Nabi, and other Islamic texts also form a critical part in determining Islamic practice. Please see the Related Question.
No it isn't. It's the Islamic religious text, written in Arabic. It literally means "The recitation" and is considered to be the word of God (Allah).
the holy Quran
The likely word is the proper noun Qur'an, also Koran, the Islamic holy text.