This may be some established study of something,I'mnot sure. But fornow it mans the study of typographical Errors known as typos.
We have yet to find out why these things haunt us so.
Teh typo demon got me agian
The study of the design of letter forms, exhibited in type/font styles.
It's jargon. Deal with it.
Typography makes shit look good.
When designing an ad you should consider the typography, when considering your audience.