Resource is a thing that: 1. can be used to accomplish different goals, 2. there is scarcity of that thing. Examples of resources: 1. Money 2. Computational power 3. Political power 4. Energy 5. Solar plants 6. Electricity 7. Land 8. Coal 9. Media influence 10. Houses Houses, for example, serve only one purpose - to provide shelter. But they can be used as a shelter by many people which counts as many different goals that can be achieved with a house. So, anything that can be used by many different people counts as a resource too.