有许多政治运动，例如无政府主义、共产主义、劳工运动、马克思主义、社会民主主义和工团主义，其追随者根据对“社会主义”术语的不同定义而称自己为社会主义者，其中一些解释是互斥的，并引起关于社会主义的真正含义的讨论[1][2]。
Socialism may be defined as movements for social ownership and control of the economy. It is this idea that is the common element found in the many forms of socialism.
Socialism, you see, is a bird with two wings. The definition is 'social ownership and democratic control of the instruments and means of production.'
