XML provides a method for data to be transferred between systems. Specify at least three components of an XML document. Analyze how each component ensures data reliability and validation. Identify at

XML provides a method for data to be transferred between systems. Specify at least three components of an XML document. Analyze how each component ensures data reliability and validation. Identify at least two e-Commerce systems that provide XML data integration. For each system, describe how XML extensions could enable e-Commerce integration among system stakeholders such as vendors, resellers, suppliers, and customers.