The Navigator must be activated ("shown collapsed" or "shown expanded") as a Page Element in your Layout (aka Page Design). Once the Navigator is applied, it can be toggled open or closed with the "z" key on any page that uses this Layout. To open and close the Confluence Sidebar, press the "shift" and "z" keys together If using: Replace me with something to note about this concept that falls outside the scope of the Definition section; andAdd the tight-bottom class to the Definition block above to narrow the gap between the two blocks. | 
