Islamic calligraphy is the artistic practice of handwriting and calligraphy, in the languages which use Arabic alphabet or the alphabets derived from it. It includes Arabic, Persian, Ottoman, and Urdu calligraphy. It is known in Arabic as khatt Arabi (خط عربي), which translates into Arabic line, design, or construction.
The development of Islamic calligraphy is strongly tied to the Qur’an; chapters and excerpts from the Qur’an are a common and almost universal text upon which Islamic calligraphy is based. Although artistic depictions of people and animals are not explicitly forbidden by the Qur’an, pictures have traditionally been limited in Islamic books in order to avoid idolatry