Calligraphy is the art of beautiful writing, especially with fancy letters.
Calligraphy is thought of as very fancy and artistic.
Examples:
She learned calligraphy at school.
The calligraphy on the wedding invitation was very pretty.
Calligraphy is hard to do, but it looks nice.
I tried to do calligraphy, but my writing is not very fancy.
In ancient times, calligraphy was considered a very important skill.
The calligraphy on the sign was so beautiful that everyone stopped to look at it.