In order to allow you to see clear connections and relationships amongst all your notes as you continuously add them, Mohiomap provides two ways of navigation, which you can find in the action bar as you click on a node.
Navigate to just the content of a folder or notebook by clicking on the node then select 'Navigate'.
You may also expand / close a node by clicking on the node, then select 'Open'. This works by loading and unloading additional connections for the selected node. This will allow you to stay within your current map screen, while the map is added on top of what is currently shown.