This figure shows a diagram of the BRM system architecture and the components you can customize, components you cannot customize, and components you can create. Customizeable components include Customer Center, Dialup Manager, Email Manager, Self-Care Manager, testnap, other client GUI applications, and policy facilities modules (FMs). Noncustomizeable components include Connection Manager, FMs, data managers, and storable classes. Components that you can create include custom applications, custom FMs, custom data managers, custom storable classes, and custom data storage.