A slogan is a short saying or catchphrase, often used by political groups. Slogan is a distinctive or identifying phrase ... a catchword or rallying motto distinctly associated with a political party. Impact factor journals are highly specialized, although some of the oldest journals publish articles, reviews, editorials, short communications, letters, and scientific papers across a wide range of scientific fields. Impact factor journals contain articles that peer reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and scientific validity.