SERIF AND SANSERIF

SERIF:
A small decorative line added to the end of the letter or symbol.
Examples:

Advantages:
Easier to read in printed works.
Can read individual words more easily.
Readability increases.
SANSERIF:
Do not have any decorative line at the end of letters.
Examples:      

Advantages:

Better on websites.

Headlines in newspapers.

Font is simple and readable.