The type of font you use for your business card, cover letter or any professional document can actually impact the way the reader views you, which is why you need to read the Quick and Comprehensive Type Guide before you type anything ever again.
First of all, this infographic shows you a several commonly used typefaces and the most common styles including bold, italic and condensed font. Then it gives you a brief look at the anatomy of type because most people have no idea that type even has an anatomy. The second part of the Type Guide shows you examples of different types of font and what kind of message they convey.
Now you know that Rage Italic is casual, Bickham Script is elegant and Comic Sans is a major Faux pas.