After a Page has been created, you can edit that page or other pages. To edit a page go into Pages or All Pages.
Hover over the page you want to edit then select the Title of the post or Edit, or while viewing the page, you can select Edit Page at the top of the screen.
After the selection the Edit Page you will be taken to the editor, where you can edit the contents of the page, the layout of the page, the Page Attributes, and the Title of the page.
Permalink
To edit the Permalink, select Quick Edit under the Title of the page you wish to edit. You will edit the Slug this is change the permalink of the page.
You can only edit a the last section of the Permalink.
Note: If you want to delete an image on a page select the image then select the Red Delete icon or press backspace.
Note: Select Update when finished editing.