As we have said, capabilities are the processes, systems of knowledge, and specific skills that a firm possesses based on which it operates, earns revenue, and competes with other firms. Business Capability Maps summarize the capabilities of a firm visually. They can exist at different levels of an organization—from an abstract list of capabilities at the enterprise level (such as in the chart we see here), or a much more detailed visualization when focusing on the particular capabilities of organizational units or even something like the IT system.