The X-height is the size of the lowercase letters. Notice how small the lowercase letters are in the Semia Script SSi typeface. A 10-point font with a large X-height will look larger on the page ...

Created by Standard Deviation, the Fractalism HTML5 web toy takes a 5-pixel font popularized on the Commodore 64, and turns it into an infinitely recursive alphabet, where every letter is made up ...