Class Hierarchy

• EditablePartOfItem
  • Item

• EditablePartOfSpace
  • Space

• GlItem
  • SavedFile
    • Image
    • Presentation
  • Youtube
  • Board
  • FocusWriting
  • Door
  • Frame
  • Link
  • LinkArrow
  • Sticker

• IModuleName
  • SpaceModuleName
  • ItemModuleName

• LinkArrowPoint
  • LinkArrowEndPoint

• SpaceTarget
  • ItemTarget