The document discusses a firm's internal organization, including its resources, capabilities, core competencies, and competitive advantages. It defines these terms and explains how they relate. Resources include tangible assets as well as intangible assets like human capital and reputation. Capabilities emerge from how resources are deployed. Core competencies provide competitive advantages and are valuable, rare, costly to imitate, and non-substitutable. Firms can develop sustainable advantages by effectively acquiring, bundling, and leveraging their core competencies.