The Schema tab displays all available elements and attributes. Depending on how the dictionary was built, it may include all the data points from the master schema, or it may only include those data points that are used on the documents in that repository. Typically customers doing custom content development want all the master schema data available for new document development research. For integration purposes, customers not doing custom content development typically want only the data in use on their set of documents. Once a schema attribute is selected, the Attribute panel is populated with information about the attribute and the bottom right pane displays any documents or Autoselection Packages that use the attribute.