_componentPrivateReactiveProp
_ExportedReactiveProp
in the url as parameter: ?topic=siemens
left click: select subtopic
arrows keys: select subtopic
esc: close info window
enter: open info window
the source of the data is a yml file
he yml file's name must be the same as the topic in order to be loaded like ?topic=ymlFileName
the yml file defines the structure of the wisdom tree
*subtopic* -> italics
**subtopic** -> bold
==subtopic== -> unimportant