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   2+| *Cause* | Root cause of an Issue, in contrast to a symptom. 
     | | _is-a_ | (inherits from) Issue
  
positive.code: 2+| *Hardware* | Structure and kind of hardware required to develop, test and operate the System.
  2+| *Improvement* | Any remedy, opportunity, tactic or strategy to improve the System by resolving one or several Issues.
    | | _modifies_ or _creates_ | Risk
    | | _remedy_ | for the System.
    | | _resolves_ | (partially or complete) one or several Issues
  2+| *Issue* | Any problem, error, fault, risk, suboptimal situation or their causes within the 
  System, Processes or Organization related to it (e.g. management, operational, development, administrative or organizational activities).
  
negative.code: 2+| *Process* | Processes, conventions or activities for developing, maintaining, operating or managing the System.
  2+| *Risk* | 
    | | EarlyWarning | Indicator that the Risk is occuring and turning into a problem.
    | | _is an_ | (inherits from) Issue, but not occurred yet.
  2+| *Software* | All sourcecode and configuration that make up the System under improvement. Hopefully stored in version-control.
  2+| *Stakeholder* | People or roles interested or participating in the System or any of its associated Processes.
    | | _belong to_ | the Organization responsible or owning the System.
    | | _knows / informs about_ | Issues and/or Improvements. Stakeholders often
    know about existing problems and opportunities for improvements.
  2+| *System* | The system under improvement, consisting of Software, Hardware and Documentation.
    | | _managed and affected by_ | Processes 
  