| Map (technical content) | 
                     
                        
                        
                           - Base domains
                              
                                 - @deliveryTarget attribute
                                 
 
                                 - Conref delayed resolution (map/topic)
 
                                 - Hazard statement (map/topic)
 
                                 - Highlighting (map/topic)
 
                                 - Indexing (map/topic)
 
                                 - Utilities (map/topic)
 
                                 - Ditavalref (map)
 
                                 - Map group (map)
 
                               
                            
                           - Technical content domains
                              
                                 - Abbreviated form (map/topic)
 
                                 - Markup (map/topic)
 
                                 - Programming (map/topic)
 
                                 - Release management (map/topic)
 
                                 - Software (map/topic)
 
                                 - User interface (map/topic)
 
                                 - XML Mention (map/topic)
 
                                 - Glossary reference (map)
 
                               
                            
                         
                        
                      | 
                     
                        
                        
                           - Base domains
                              
                           
 
                           - Technical content domains
                              
                                 - Equation (map/topic)
 
                                 - MathML (map/topic)
 
                                 - SVG (map/topic)
 
                                 - xNAL (map/topic)
 
                                 - Task requirements (topic)
 
                               
                            
                           - Technical content constraints
                              
                                 - Strict task body constraint
 
                                 - Machinery task body constraint
 
                               
                            
                           - Anything from learning and training
 
                         
                        
                      | 
                  
                  
                     | Bookmap | 
                     
                        
                        
                           - Base domains
                              
                                 - @deliveryTarget attribute
                                 
 
                                 - Conref delayed resolution (map/topic)
 
                                 - Hazard statement (map/topic)
 
                                 - Highlighting (map/topic)
 
                                 - Indexing (map/topic)
 
                                 - Utilities (map/topic)
 
                                 - Ditavalref (map)
 
                                 - Map group (map)
 
                               
                            
                           - Technical content domains
                              
                                 - Abbreviated form (map/topic)
 
                                 - Markup (map/topic)
 
                                 - Programming (map/topic)
 
                                 - Release management (map/topic)
 
                                 - Software (map/topic)
 
                                 - User interface (map/topic)
 
                                 - XML Mention (map/topic)
 
                                 - xNAL (map/topic)
 
                               
                            
                         
                        
                      | 
                     
                        
                        
                           - Base domains
                              
                           
 
                           - Technical content domains
                              
                                 - Equation (map/topic)
 
                                 - MathML (map/topic)
 
                                 - SVG (map/topic)
 
                                 - Task requirements (topic)
 
                                 - Glossary reference (map)
 
                               
                            
                           - Technical content constraints
                              
                                 - Strict task body constraint
 
                                 - Machinery task body constraint
 
                               
                            
                           - Anything from learning and training
 
                         
                        
                      | 
                  
                  
                     | Classification map | 
                     
                        
                        
                           - Base domains
                              
                                 - @deliveryTarget attribute
                                 
 
                                 - Conref delayed resolution (map/topic)
 
                                 - Hazard statement (map/topic)
 
                                 - Highlighting (map/topic)
 
                                 - Indexing (map/topic)
 
                                 - Utilities (map/topic)
 
                                 - Classify (map)
 
                                 - Ditavalref (map)
 
                                 - Map group (map)
 
                               
                            
                           - Technical content domains
                              
                                 - Abbreviated form (map/topic)
 
                                 - Markup (map/topic)
 
                                 - Programming (map/topic)
 
                                 - Release management (map/topic)
 
                                 - Software (map/topic)
 
                                 - User interface (map/topic)
 
                                 - XML Mention (map/topic)
 
                                 - Glossary reference (map)
 
                               
                            
                         
                        
                      | 
                     
                        
                        
                           - Technical content domains
                              
                                 - Equation (map/topic)
 
                                 - MathML (map/topic)
 
                                 - SVG (map/topic)
 
                                 - XML Mention (map/topic)
 
                                 - xNAL (map/topic)
 
                                 - Task requirements (topic)
 
                               
                            
                           - Technical content constraints
                              
                                 - Strict task body constraint
 
                                 - Machinery task body constraint
 
                               
                            
                           - Anything from learning and training
 
                         
                        
                      | 
                  
                  
                     | Subject Scheme | 
                     
                        
                        
                           - Base domains
                              
                                 - @deliveryTarget attribute
                                 
 
                                 - Hazard statement (map/topic)
 
                                 - Highlighting (map/topic)
 
                                 - Utilities (map/topic)
 
                                 - Map group (map)
 
                               
                            
                         
                        
                      | 
                     
                        
                        
                           - Base domains
                              
                                 - Conref delayed resolution (map/topic)
 
                                 - Indexing (map/topic)
 
                                 - Classify (map)
 
                                 - Ditavalref (map)
 
                               
                            
                           - Anything from Technical content
 
                           - Anything from learning and training
 
                         
                        
                      | 
                  
                  
                     | Topic (technical content), Concept, Reference, General task, Glossary entry, Glossary
                        group
                      | 
                     
                        
                        
                           - Base domains
                              
                                 - @deliveryTarget attribute
                                 
 
                                 - Hazard statement (map/topic)
 
                                 - Highlighting (map/topic)
 
                                 - Indexing (map/topic)
 
                                 - Utilities (map/topic)
 
                               
                            
                           - Technical content domains
                              
                                 - Abbreviated form (map/topic)
 
                                 - Equation (map/topic)
 
                                 - Markup (map/topic)
 
                                 - MathML (map/topic)
 
                                 - Programming (map/topic)
 
                                 - Release management (map/topic)
 
                                 - Software (map/topic)
 
                                 - SVG (map/topic)
 
                                 - User interface (map/topic)
 
                                 - XML Mention (map/topic)
 
                               
                            
                         
                        
                      | 
                     
                        
                        
                           - Base domains
                              
                                 - Conref delayed resolution (map/topic)
 
                                 - Classify (map)
 
                                 - Ditavalref (map)
 
                                 - Map group (map)
 
                               
                            
                           - Technical content domains
                              
                                 - xNAL (map/topic)
 
                                 - Task requirements (topic)
 
                                 - Glossary reference (map)
 
                               
                            
                           - Technical content constraints
                              
                                 - Strict task body constraint
 
                                 - Machinery task body constraint
 
                               
                            
                           - Anything from learning and training
 
                         
                        
                      | 
                  
                  
                     | Task, Composite (ditabase), Troubleshooting | 
                     
                        
                        
                           - Base domains
                              
                                 - @deliveryTarget attribute
                                 
 
                                 - Hazard statement (map/topic)
 
                                 - Highlighting (map/topic)
 
                                 - Indexing (map/topic)
 
                                 - Utilities (map/topic)
 
                               
                            
                           - Technical content domains
                              
                                 - Abbreviated form (map/topic)
 
                                 - Equation (map/topic)
 
                                 - Markup (map/topic)
 
                                 - MathML (map/topic)
 
                                 - Programming (map/topic)
 
                                 - Release management (map/topic)
 
                                 - Software (map/topic)
 
                                 - SVG (map/topic)
 
                                 - User interface (map/topic)
 
                                 - XML Mention (map/topic)
 
                               
                            
                           - Technical content constraints
                              
                                 - Strict task body constraint
 
                               
                            
                         
                        
                      | 
                     
                        
                        
                           - Base domains
                              
                                 - Conref delayed resolution (map/topic)
 
                                 - Classify (map)
 
                                 - Ditavalref (map)
 
                                 - Map group (map)
 
                               
                            
                           - Technical content domains
                              
                                 - xNAL (map/topic)
 
                                 - Task requirements (topic)
 
                                 - Glossary reference (map)
 
                               
                            
                           - Technical content constraints
                              
                                 - Machinery task body constraint
 
                               
                            
                           - Anything from learning and training
 
                         
                        
                      | 
                  
                  
                     | Machinery task | 
                     
                        
                        
                           - Base domains
                              
                                 - @deliveryTarget attribute
                                 
 
                                 - Hazard statement (map/topic)
 
                                 - Highlighting (map/topic)
 
                                 - Indexing (map/topic)
 
                                 - Utilities (map/topic)
 
                               
                            
                           - Technical content domains
                              
                                 - SVG (map/topic)
 
                                 - User interface (map/topic)
 
                                 - Task requirements (topic)
 
                               
                            
                           - Technical content constraints
                              
                                 - Machinery task body constraint
 
                               
                            
                         
                        
                      | 
                     
                        
                        
                           - Base domains
                              
                                 - Conref delayed resolution (map/topic)
 
                                 - Classify (map)
 
                                 - Ditavalref (map)
 
                                 - Map group (map)
 
                               
                            
                           - Technical content domains
                              
                                 - Abbreviated form (map/topic)
 
                                 - Equation (map/topic)
 
                                 - MathML (map/topic)
 
                                 - Markup (map/topic)
 
                                 - Programming (map/topic)
 
                                 - Release management (map/topic)
 
                                 - Software (map/topic)
 
                                 - XML Mention (map/topic)
 
                                 - xNAL (map/topic)
 
                                 - Glossary reference (map)
 
                               
                            
                           - Technical content constraints
                              
                                 - Strict task body constraint
 
                                 - Machinery task body constraint
 
                               
                            
                           - Anything from learning and training
 
                         
                        
                      |