Can I Edit the Part-Outline?

No. The Part-Outline is the symbol for the Part element.

What do I do with a Part-Outline?

You also click, or double-click, the Part-Outline to edit the Part in the Part-Editor

It is the symbol of the Part that you select to complete other commands; for example: Add 2D-Cam.

Can I change the size of the Part-Outline symbol?

YES. Use the Application Settings > Accessibility tab > Graphic > Symbol Display Size

Must I display Part-Outlines in the graphic-area?

NO. To hide Part-Outlines, see Display Filters > Show/Hide Part-Outlines.

However, you must show Part-Outlines to Display Force-Vectors

If you do not show Part-Outlines, you can Double-Click the Y-axis to edit a Part

Can I hide individual Part-Outlines?

No.