sites/default/files/images/Go To Page.png Jumps to the page number entered in the text box to the left of this arrow.
sites/default/files/images/Up.png Jumps to the higher (parent) level.  A page goes up to a Section or a Notebook.
sites/default/files/images/Previous Page_0.png Jumps to the previous page in the same Notebook.
sites/default/files/images/Next Page.png Jumps to the next page in the same Notebook.
sites/default/files/images/New Entry.png Adds a new entry: text, CERF spreadsheet, word, excel, Quick Add File, File, CERF resource, a template, or a placeholder
sites/default/files/images/New Page.png Adds a new page at the same level (in the Section or Notebook).
sites/default/files/images/View Page info.png Show info (metadata) about the page
sites/default/files/images/Edit Page Metadata.png Edit info (metadata) about the page (this is one way to change the title for a page)
sites/default/files/images/Sign Resource_0.png Sign page (this will not be enabled unless certain conditions are met)
sites/default/files/images/Finalize My Entries.png Finalize my Entries (on this Page).
sites/default/files/images/Print Page.png Print Notebook Page
sites/default/files/images/Show Resource Metadata.png Show metadata on the page (toggles to Hide metadata)
sites/default/files/images/Show Resource Metadata_0.png Hide metadata

sites/default/files/images/Hide Headers.png

Hide Entry Headers (toggles to Show Headers)
sites/default/files/images/Show Headers.png Show Entry Headers
sites/default/files/images/Expand All Entries.png Show (expand) all Entries on the Page
sites/default/files/images/Collapse All Entries.png Collapse all Entries
sites/default/files/images/Show Page Tags.png Show Tags - displays text entry box for adding searchable tag to the Notebook page
sites/default/files/images/Hide Page Tags.png Hide Tags - hides the tags text entry box