Cross Docking IT is a three-stage framework with five phases that helps align IT applications with business functions. It covers the entire spectrum of an organization's IT systems. The framework includes: [1] Discover - mapping existing business processes, applications, and infrastructure; [2] Rationalize - suggesting options to reduce costs and create a unified environment; [3] Build - transforming processes and architecture to align with business goals. This framework enhances efficiency, visibility, stability, and reduces costs.