What is the smallest unit of measure in typography?

How many points in a pica?

EM square -- ask me about it it's confusing in this article.

In graphic design, what is a grid and how is it used?

Who is Josef Muller-Brockmann? (find samples of his designs, and post on your blog)

What is a typeface?

What is a font?

How are they different?

What are glyphs?