There are many different types of calligraphy. They could be roughly divided into Western, Hebrew, Asian, and Arabic calligraphy. In the most cases, religious texts were copied in "beautiful script". In Asia, especially in China, Japan and Korea, calligraphy is still an important part of the culture and the social and artistic life. That is why the brand TWSBI offers in a lot of their pens optional a Calligraphy or Italic nib.
In the art of calligraphy, the aesthetics and the balance of the movement stands before the readership. The most important is the visualization of the emotions in the characters. A lot of emotions for ink art have also the makers of traditional japanese ink, Stationery TAG, has two beautiful ink series, made in japan.