The document describes the CAB-MEDiA system, which is a 3-tier application for distributing digital media. It includes an overview of the system's overall scenario and business process model. Screen layouts are provided for various features like login, media upload, package management, and report generation. Future enhancements are discussed, such as adding map and transportation options features to expand beyond taxi/bus advertising. The limitations of dynamic playlist updates at the client side are also noted.