What is ligatures in calligraphy?

In calligraphy, ligatures are decorative connections between two or more letters that create a single, unified glyph. They enhance the aesthetic appeal of the writing by adding fluidity and elegance, helping to streamline the flow of text. Ligatures can be found in various scripts and styles, often used to improve legibility and visual harmony in letterforms. Common examples include the combination of letters like "fi," "fl," and "th."