The document discusses the concept of core competencies, which are the skills, assets, and capabilities that give a company its competitive advantage. Core competencies fuel innovation and differentiation. Examples provided include Sony's core competence of miniaturization and Federal Express' competence in logistics management. Core competencies are enhanced over time and simplify make-or-buy decisions. Core products are the tangible evidence of core competencies and contribute to customer benefits. By leveraging core competencies across business units, companies can enter new markets. The risks of ignoring core competencies include over-reliance on suppliers, failure to invest in future competencies, missed growth opportunities, and weakened competencies over time.