This document provides an overview and introduction to implementing the Capability Maturity Model Integration (CMMI) framework. It discusses initiating CMMI implementation, including understanding an organization's current business and processes to determine if CMMI is needed and gaining internal commitment. It also covers initial discussions with CMMI subject matter experts to plan the implementation. The document provides high-level information on CMMI components like representations, maturity levels, and process areas to help organizations approach CMMI implementation practically and successfully.