What is the meaning of "capline" in calligraphy?

The term "capline" refers specifically to the line that indicates the height that capital letters reach in a typeface or calligraphic style. This line serves as a visual guideline when creating upper-case letters, ensuring consistency in their height across different letters and maintaining a uniform look in the written text. The capline is an essential aspect in calligraphy, as it helps define the proportions between different types of letters, aiding in achieving balance and aesthetic appeal in the composition of letters and words.

In the context of calligraphy, recognizing and utilizing the capline effectively contributes to the overall harmony of the writing. When practicing calligraphy, understanding where the capline is relative to other key lines, such as the baseline and x-height, is crucial for creating well-structured and visually pleasing lettering. This understanding allows the calligrapher to apply appropriate styles and flourishes while respecting the fundamental structure of the letters.