Save a bookmark to the numbered slot: Orca Modifier+Alt+1-6
Save the defined bookmarks for the application or page: Orca Modifier+Alt+B
Go to a specific, numbered bookmark: Orca Modifier+1-6
Go to the previous bookmark for the application or page: Orca Modifier+Shift+B
Go to the next/previous bookmark for the application or page: Orca Modifier+B
"Where am I" information for this bookmark relative to the current pointer location: Alt+Shift+1-6