A trade is a work activity that is generally linked to manual or artisan processes that do not require formal studies while a profession is a work activity that requires specialized academic training. The differences between trade and profession has to do with the level of studies required in each case.

Socialism is a philosophical current of economic, social and political thought, as well as a diverse set of political theories, movements and socio-economic systems that have been inspired by such thought. All of them have in common the defense of the public, collective or cooperative property of the means of production of the society, instead of their property in private hands. In addition, it proposes the planning and organization of social and economic life from the forces that make up the State.