Without having to go into the Admin Bar, you can edit (or delete) items right inside a page. To do this hover over the section of the page you want to edit. You should see a gear. When you click on the gear, you will be shown a drop down menu with choices to edit. Depending on the item you are editing, they edit drop down menu will be different.
This link will take you into the Admin Bar section where you can make your edits and save them.