Democratic socialism is a political movement propagating the political ideals of Socialism in a democratic state, or in other words: anti-Authoritarian Communism.
Most democratic socialists typically advocate a mixed economy with generous welfare provision, and re-distribution of wealth. People or groups who describe themselves as democratic socialists, are generally further to the left and more radical than the more moderate social democrats.
Many people see Scandinavian countries such as Sweden as a model of democratic socialism.
See also: Democratic Socialists of America, British Labour Party, Socialist Party USA