On this page of the Engrafo Guide you will find information about:
...
Creating categories and hierarchies in Engrafo Data Usage
This part of the Engrafo guide is not quite finished yet. But it quite soon will be! Please don’t hessitate to reach out to peter.faber@engrafo.dk with specific questions, if you have already downloaded and installed Engrafo 
Creating templates, units and fields in Engrafo Data Usage
This part of the Engrafo guide is not quite finished yet. But it quite soon will be! Please don’t hessitate to reach out to peter.faber@engrafo.dk with specific questions, if you have already downloaded and installed Engrafo