The answer you are looking for is CALLIGRAPHY, but calligraphy is not exclusive to Islam and can refer to any beautifully stylized letters.
arabie
Calligraphy
decorative handwriting or handwritten lettering.
Calligraphy is a decorative style of handwriting or lettering.
The study of handwriting is called graphology. Graphology involves analyzing a person's handwriting to infer characteristics about their personality, behavior, and psychological state.
Calligraphy is decorative handwriting or handwritten lettering. You will see examples in medieval bibles for instance
The Chinese handwriting style is called "calligraphy." Traditional Chinese calligraphy involves using specialized brushes and ink to create artistic and expressive characters on paper or other surfaces. It is considered a highly respected art form in Chinese culture.
they are called an interperter or translater
A will that is in the testator's own handwriting and signed by the testator is called a holographic will.
Graphology.
The decorative top of a column is called the capital.
One art involved with handwriting is called calligraphy.
The decorative curl on the end of a violin is called the scroll.
The decorative wood on a staircase is called "wainscot"