Today's doodle prompt is FONT.
A font is a set of type of one particular shape and size. Create a word or a single letter in some kind of font. Try something new - go for a style that's a little different than Arial or Times New Roman. Try something blocky, bubbly, swirly, zig-zagy, ... Don't think you need to fill a page, just play with a single letter or word.
Here are some interesting fonts that I found: