Requirement Category definition<br/><br/>High Level: Has impacts and links to more then one stereotype or architecture element and is full filled by all of them together.<br/><br/>Low Level: Has impact and link one single stereotype or architecture element and is fully realized by it.<br/><br/>Specific high level R. - Safety: In terms of system operation.<br/><br/>Specific high level R. - Security: In terms of secure data and functionality.<br/>