Serif vs Sans-Serif Typefaces:
Serifs fonts include slight projections that finish off the strokes of their letterforms. These fonts tend to be easy to read and are great for bodies of text. Common examples of serif fonts are: Times New Roman, Garamond, and Georgia.
Sans-Serif fonts are good for grabbing attention in the title, headers, and other distinguishing places. Common examples are sans-serif fonts are: Arial, Helvetica, Gotham.