When you mention calligraphy most folks immediately imagine fancy lettering on wedding invitations. But! There is so much more to calligraphy. In its more extreme forms it's breathtaking art. Take that picture up there...it's certainly fancy lettering, but that's like describing a sequoia as a tree.
Some of the most elaborate calligraphic art is produced by Islamic calligraphers.
This beautiful, graceful example depicts a cat.
When we relegate calligraphy to the category of fancy lettering, we miss the boat. If you have a few moments, Google a search for images of calligraphic art. You'll be amazed at the beauty and talent.