What is Sans Serif?
Pronounced SAN-SERR-if. A category of typefaces that do not use serifs, small lines at the ends of characters. Popular sans serif fonts include Helvetica, Avant Garde, Arial, and Geneva. Serif fonts include Times Roman, Courier, New Century Schoolbook, and Palatino.
According to most studies, sans serif fonts are more difficult to read. For this reason, they are used most often for short text components such as headlines or captions.