Click on the post or page menu item in the left-hand side bar and find the item you want to put in the trash. Hover your mouse over the item to display a number of options, including putting it in the trash. A message will appear to confirm that it has been moved. You can click on undo to move the item out of the trash. Items in trash will be automatically deleted after 30 days. You can also empty the trash or select delete permanently to permanently delete the item.