The Component Business Model (CBM) is a framework for analyzing an organization on its business activities and turn these into building blocks of the business, called components.
The result is a map with business components. See the example above. It shows activities that are grouped along two dimensions: business competencies (columns) and accountability levels.
The CBM is often used as a step towards creating a service oriented IT model of the organization. Below is such an example of a service oriented IT model.