Outline views in Eclipse allows to display specific information about the selected object inside an editor.
For the Pincfg configuration textual editor, it displays the list of peripherals, with their assigned functions.

For the Pincfg configuration graphical editor, it shows the peripherals, with their assigned functions and the concerned pins.

In particular in this view, the user can search for a particular PAD, using the filter text field.
All pins that matches the entered pad name will be displayed, so that the user can select them. A selected object in the outline would be displayed inside the graphical editor. For example, if you select a peripheral, all pins related to this peripheral will be highlighted. If you select only a function, then you can see (highlighted in the graphical editor) all the pins where you can assign this function.
