When deploying changes to a site a user may enter the following:
Publish Comment - Enter a comment that will appear under the publishing tab of ECM every time changes are deployed to a site.
Automatically Deploy to iPads - Check this to update changes made on ECM to the iPads.
Deploy Multimedia Changes - Check this to update changes made to any media images or any new images added.
Deploy Entire Multimedia Library - Check this to update the entire media library.