Capability Dimension overview Level 5 Optimizing process Level 4 Predictable process Level 3 Established process Level 2 Managed process Level 1 Performed process Base practices of the process are performed ad hoc and poorly controlled . Work products of the process are identifiable . Base practices of the process are planned and tracked . Products are conformed to standards and requirements . The process is managed and performed using a defined process . Projects are using a tailored version of the standard process. The process is performed consistently in practice within defined control limits. The quality of work products is quantitatively known . The process performance is optimized to meet current and future business needs.