The document discusses key economic concepts including scarcity, choice, opportunity cost, factors of production, specialization, and added value. It defines scarcity as limited resources to meet unlimited wants, forcing choices with opportunity costs. Factors of production are land, labor, capital and enterprise. Specialization increases efficiency by dividing tasks among skilled workers. Added value is the difference between the cost of materials and selling price, with businesses seeking to add value through branding, features or services to charge higher prices and make profits.