1. Xcode editor
   1. provides
      1. graphical interface
   2. purpose
      1. UI
         1. creation
   3. integrated
      1. fully
      2. into
         1. XCode
         2. workspace window
   4. product
      1. nib
         1. file
         2. type
2. editor area
   1. canvas
      1. UI design
      2. interface objects
         1. dragged
         2. from
            1. library
   2. dock
      1. high level objects
         1. placeholders
            1. references
            2. objects
            3. outside nib
            4. nib tied
         2. IB objects
            1. inside nib
            2. creation
            3. nib loading
      2. presentation
         1. icon view
         2. outline view
            1. hierarchical tree
            2. relationships
            3. parent-child
            4. between the objects
            5. in the nib file
3. utility area
   1. inspectors
      1. interface objects
         1. configuration
         2. connections
            1. between
   2. libraries
      1. interface objects
      2. media
4. assistant pane
   1. source code
      1. contains
   2. enable
      1. work on
         1. at the same time
         2. design UI
         3. interface code
      2. make
         1. connection
            1. directly
            2. between
            3. IB objects
            4. source code