The answer you are looking for is CALLIGRAPHY, but calligraphy is not exclusive to Islam and can refer to any beautifully stylized letters.
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Calligraphy
decorative handwriting or handwritten lettering.
Calligraphy is a decorative style of handwriting or lettering.
Calligraphy is decorative handwriting or handwritten lettering. You will see examples in medieval bibles for instance
The study of handwriting is called graphology. Graphology involves analyzing a person's handwriting to infer characteristics about their personality, behavior, and psychological state.
they are called an interperter or translater
A person who studies handwriting is called a graphologist. Graphology is the analysis of the physical characteristics and patterns of handwriting to infer personality traits and psychological state.
A will that is in the testator's own handwriting and signed by the testator is called a holographic will.
The decorative top of a column is called the capital.
Graphology.
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"