"WHEN I say "Capitalism," I commonly mean something that may be stated thus: "That economic condition in which there is a class of capitalists, roughly recognizable and relatively small, in whose possession so much of the capital is concentrated as to necessitate a very large majority of the citizens serving those capitalists for a wage." This particular state of things can and does exist, and we must have some word for it, and some way of discussing it. But this is undoubtedly a very bad word, because it is used by other people to mean quite other things. Some people seem to mean merely private property. Others suppose that capitalism must mean anything involving the use of capital. But if that use is too literal, it is also too loose and even too large. If the use of capital is capitalism, then everything is capitalism. Bolshevism is capitalism and anarchist communism is capitalism; and every revolutionary scheme, however wild, is still capitalism."
~G.K. Chesterton: The Outline of Sanity.