The DisplayName element specifies the user-friendly package name that is displayed in the Extension Manager UI. The AllowClientRole element specifies whether the extension is client enabled or not. The Description element is a short description of the package and its contents that is displayed in the Extension Manager UI. The MoreInfoUrl element is used to provide additional information to the consumer of the extension. The hyperlink to the URL provided appears in the Extension Manager UI inside the product. The License element allows the developer to specify a license or end user licensing agreement (EULA). The license is displayed when the consumer of the extension tries to install the extension. The license can be a text file or an RTF file. The GettingStartedGuide element is a link to a website or file that gets launched in the client's browser after the extension is installed. This provides the developer an opportunity to provide additional information or help to the consumer once the extension is installed. The ReleaseNotes element is a link to a website or file that gets launched in the client's browser (for web addresses) or a dialog or a dialog for local files when the user clicks the link the Extension Manager UI. This provides the developer an opportunity to provide information about changes to the extension from version to version. The Icon element allows the developer to provide an icon that appears in the Extension Manager UI when browsing for the extension. The PreviewImage element allows the developer to provide an image that appears in the Extension Manager UI preview pane when browsing for the extension. The Tags element is an optional element that lists additional semicolon-delimeted text tags that are used for search hints. The Preview element is an optional element that allows the developer to set it to "true" which provide release information about extension that appears in the Extension Manager UI preview pane when browsing. The Version element is an optional element that allows the developer to set it to an integer specifying that the extension is compatible with a nexus environment. The Identity element defines identification information for the package.