Socialism
is a political, social, and economic philosophy encompassing a range of economic and social systems characterised by social ownership of the means of production and democratic control, such as workers' self-management of enterprises. It includes the political theories and movements associated with such systems.
Communism
is a philosophical, social, political, and economic ideology and movement whose goal is the establishment of a communist society, namely a socioeconomic order structured upon the ideas of common ownership of the means of production and the absence of social classes, money,and the state.