• VlEngine
  
• AppMainWindow
  
• LeftFlap
  
  • ConfigTab
    
    • PluginsPalette
      
    • PluginAboutPalette
      
  • BooksTab
    
    • OpenBooksPalette
      
    • EmbeddedBooksPalette
      
  • PagesTab
    
    • PagePalette ^{Maybe PagePreviewPalette sounds better}
      
    • PageStructurePalette
      
  • ToolsTab
    
    • SearchPalette
      
    • SpellcheckPalette
      
  • TimelinesTab
    
  • AnnotationsTab
    
    • HighlightsPalette
      
    • StickiesPalette
      
    • AudioAnnotationsPalette
      
• AppDocumentsDesktop
  
  • BookDocumentWindow
    
    • AuthorPageWorkArea
      
      • SimpleSceneVisual
        
      • FrameMoveHaloMenu
        
      • FrameMoveButton
        
    • ReaderPageWorkArea
      
      • SimpleSceneVisual
        
      • FrameMoveHaloMenu
        
      • FrameMoveButton
        
    • BookBottomPanel
      
      • ZoomPercentagePanel
        
      • NavigationPanel
        
      • QuickSearchPanel
        
      • ReaderModeCheckBox
        
      • ShowFramesCheckBoxPanel
        
• AppMenuBar
  
  • FileMenu
    
    • NewBookItem
      
    • OpenBookItem
      
    • SaveBookItem
      
    • SaveBookAsItem
      
    • SaveBookAsTemplateItem
      
    • ImportItem
      
    • ExportItem
      
    • BookPropertiesItem
      
    • CloseBookItem
      
    • ExitItem
      
  • EditMenu
    
    • UndoItem
      
    • RedoItem
      
    • CutItem
      
    • CopyItem
      
    • PasteItem
      
    • DeleteItem
      
    • SpellCheckItem
      
    • CopyLocationOfSelectionItem
      
    • ToggleRulers
      
    • SetBookTitleItem
      
    • SetPageSizeItem
      
    • ShowConnectionsItem
      
  • InsertMenu
    
    • InsertImageItem
      
    • InsertTextItem
      
    • InsertMediaItem
      
  • WindowMenu
    
    • CascadeItem
      
    • TileItem
      
    • DocumentItem
      
  • HelpMenu
    
    • HelpContentsItem
      
    • AboutItem
      
    • BugReportItem
      
• RightFlap
  
  • LibraryTab
    
    • BookTemplatesPalette
      
  • StylesTab
    
  • ResourcesTab
    
    • AllResourcesPalette
      
    • ResourcesMetaPalette
      
• BottomFlap
  
  • TimelineTab
    
    • TimelinePalette
      

Book Elements

Page

• Frame
  
  • TextContent
    
    • ChainedTextContent
      
    • StaticTextContent
      
• Frame
  
  • ImageContent
    
• Frame
  
  • VideoContent
    
• Frame
  
  • AudioContent
    
• FrameGroup
  
• PageTemplate
  
• BookTemplate
  
• TextResource
  
• ImageResource
  
• VideoResource
  
• MediaResource
  

Halos

FramePropertiesHalo
FrameAppearanceHalo
LinkHalo
AnchorHalo
CharacterHalo
ParagraphHalo
ChainingHalo

HUDs

PageHud
FrameHud
AlignHud
AnchorHud
CharacterHud
ParagraphHud
LinkHud