Maturity Assessment for Most Constraining System System: A collection of resources working together to achieve a common goal. DO, SELL, GROW can be evaluated on a system maturity continuum. Use the table below to evaluate your organization’s most constraining system. MOST CONSTRAINING SYSTEM (DO, SELL, OR GROW) CRITERIA Hi/Med/Lo? Evidenced by: Defined Predictable Repeatable Documented Maintained Teachable Taught Ever-evolving See: CMMI, Baldridge, ISO 9000, etc. for examples of more formal systems maturity assessment processes.