Ludwig von Mises discusses the difference between Capitalism and Socialism in terms we can all understand and commiunicate to others:
A society that chooses between capitalism and socialism does not choose between two social systems; it chooses between social cooperation and the disintegration of society. Socialism: is not an alternative to capitalism; it is an alternative to any system under which men can live as human beings.
Read more from Mises at The Quotable Mises.