Liberalism: a political or social philosophy advocating the freedom of the individual, parliamentary systems of government, nonviolent modification of political, social, or economic institutions to assure unrestricted development in all spheres of human endeavor
This is the “mascot” for the Democrats/ similar of Republicans. Liberalism is mainly consistentes of the Democratic Party.
Centrism: the centre or the center is a political outlook or specific position that involves acceptance or support of a balance of a degree of social equality
Political Party: an organized group of people with at least roughly similar political aims and opinions, that seeks to influence public policy by getting its candidates elected to public office.
This picture represents the democrats and republicans which are both political parties.