How to quickly easily best define any topic

What is it? How it is done? What you will have?

Walter Block defining Libertarianism and Austrian Economics

Walter Block earned his PhD in Economics at Columbia University. He is an author, editor, and co-editor of many books which include Defending the Undefendable; Lexicon of Economic Thought, Economic Freedom of the World 1975-1995; Rent Control: Myths and Realities; Discrimination, Affirmative Action, and Equal Opportunity; Theology, Third Word Development and Economic Justice; Man, Economy, and Liberty: Essays in Honor of Murray N. Rothbard; Religion, Economics, and Social Thought; and Economic Freedom: Toward a Theory of Measurement.