To navigate through a diagram, follow these general steps
  1. Press ⌘F12 or ⌘F12⌘F12 or ⌘F12⌘O or ⌘O^ F12, ⌃F12 or ⌃F12^ F12, ⌃F12 or ⌃F12. The menu of diagram elements pops up.

    diagram_elements

  2. Use the arrow keys to select the desired diagram element, and press or or or Enter, or Enter, ^ M, , ⌃M, or ⌃M. The selected diagram node element becomes active.

    navigateThroughDiagram1

  3. Press or or or Enter, or Enter, ^ M, , ⌃M, or ⌃M once more. The first member of an element gets the focus.

    navigateThroughDiagram2

  4. The following actions are available:
    • Pressing or or or Enter, or Enter, ^ M, , ⌃M, or ⌃M toggles the focus between a diagram element and its members.
    • When a diagram element has the focus, use the arrow keys to jump between elements.
    • When a member has the focus, use the vertical arrow keys to navigate through an element to the desired member.
    • Having selected an element or a member, navigate to the underlying source code.