The "Appearance" panel defines with its parameters the transparency and the way in which a graphic element is drawn. The first parameter defines the level of transparency to be applied to the entire graphic element.
The first drop-down menu defines the blending mode.
From the second drop-down menu, the outline can be drawn on top of the fill or vice versa; likewise the markers may be drawn on top of the outline or vice versa.
Janvas user interface panels can be moved from their initial position to be placed more conveniently for the work at hand.