Serif and Sans-serif are typefaces that are commonly used for body text. Serifs are the smaller lines on the main strokes of letters and numbers. The structure of the serifs is considered less harsh for reading large body of text, which is why newspapers and books often use this type of typeface.
A typeface without serifs is called Sans-serif (the word “sans” is French for “without”). Sans-serif typefaces are commonly used for electronic media. Since the computer screen has lower resolution compared to printed material, Sans-serif fonts are easier to read and follow than Serif fonts.