Your swan logo and the typeface only match in one aspect and that is featuring round forms. Your logo is simplistic, while your typeface is ornamental. Your logo features flat solid shapes, while your typeface is more delicate, having a lot of thin strokes. Your logo expresses calmness, while your typeface expresses motion. Your logo says constructed, while ...
The term "pica" refers to the size of the font.
Long before type fonts had sizes in standardized (more or less) units, the sizes had names.
Pica is roughly equivalent to 12 pt expressed in today's terms.
Royal was reserved exclusively for the King's use. (Proclamations, Wanted posters, etc.) It was roughly equal to our 72 pt size
Agate is still used in ...
The wording of the quote seems off, but it is exactly what is written in the book.
However, Allan Haley, one of the authors of the book writes in a blog post:
...in 1816, William Caslon IV, the great, great grandson of the
William Caslon that gave us the English serifed design, was
experimenting with fonts and came up with the first sans serif
The two terms are very differents, it would like say that a movie and its projector (in our case, with specific parameters to render a particular visual aesthetic) are the same entities. More specifically:
typeface is about the distinctive design and style of a set of characters °letter _ number _ punctuation mark _ symbol _ etc.° available among the ...