Units/em - Screen VS Print

[Dave Crosby]

Today's fonts have to serve two masters, the screen and the printed page.

For an interesting discussion, see:

http://www.typophile.com/node/14929


An aid to understanding the terms, AND insight into:

The point, the cicero and the pica
The height of a font
The em-quad (square)
The - x - height
Line height (leading)
Character space
Word space

may be found at:

http://css.nu/articles/typograph1-en.html