The document discusses various types of e-business systems including e-ERP, SCM, CRM, BI, APS, and e-procurement. It explains that SCM assists with production planning and questions like where goods will be produced and procured. CRM systems manage customer identification and service. PLM enables management of the product innovation lifecycle. The key supply chain processes are also listed. Finally, it discusses business analytics tools like PESTLE, CATWOE, and SWOT analysis that can improve business performance.