Joomla! Documentation™

• Trash. Changes the status of the selected items to indicate that they are trashed.
  Trashed items can still be recovered by selecting 'Trashed' in the 'Select Status' filter and changing the status of the articles to Published or Unpublished as preferred.
  To permanently delete trashed items, select 'Trashed' in the 'Select Status' filter, select the items to be permanently deleted, then click the 'Empty Trash' toolbar icon.