Probably useless for any applications, but this is really cool! The page with the definitions of all characters A–Z is here: <a href="https://yusugomori.com/projects/css-sans/fonts" rel="nofollow">https://yusugomori.com/projects/css-sans/fonts</a> It's interactive, so you can actually see how the definition (CSS code) of each character corresponds to the actual shape seen.<p>Something like this (but with different primitives, not CSS) is how Donald Knuth made the program Metafont, using which he created Computer Modern in all its variants (the font used by default by every TeX/LaTeX document). His intent was to capture the “idea” of each letter shape (glyph in the font), by writing a program for drawing that letter, instead of simply drawing it. He came up with something vaguely similar (pens of varying thickness, erasers, etc). The program is described in Volume C of <i>Computers and Typesetting</i> (<i>The METAFONTbook</i>), and Volume E is a thick hardcover book somewhat like this page, which gives the definition of (program for) each character next to a picture of its shape.<p>More Metafont-related links, if anyone finds this sort of thing inspiring:<p>- <a href="https://s3-us-west-2.amazonaws.com/visiblelanguage/pdf/16.1/the-concept-of-a-meta-font.pdf" rel="nofollow">https://s3-us-west-2.amazonaws.com/visiblelanguage/pdf/16.1/...</a> (this paper is a work of art!)<p>- <a href="https://www.metaflop.com/modulator" rel="nofollow">https://www.metaflop.com/modulator</a> (use the sliders)<p>- <a href="https://tex.stackexchange.com/a/423720/48" rel="nofollow">https://tex.stackexchange.com/a/423720/48</a><p>Metafont may not have had the right primitives for character drawing, and CSS obviously doesn't (it's not what it's designed for), but the idea of <i>describing</i> shapes is very interesting, and I still hope (despite decades of “failure”) that it can catch on. Maybe with interactive input and immediate visual feedback, it would be more appealing, at least for some people.