Toolbar

A vertical window that sits to the left of the Viewport in the default Workspace containing the Viewport Tools.

The icons for the primitive tools (Rectangle, Ellipse etc) will inherit a slightly different appearance depending on other settings.

Create Editable Primitives

When Create Editable Primitives is enabled, a small E is added to the icons for each of the primitive tools within the Toolbar.

This setting is accessible from either the Shape menu or from any of the Primitive tool's settings.

Quick Mask

By double clicking on the Pen, Pencil or any Primitive Tool its Toolbar icon will tint yellow to indicate the tool is in 'Quick Mask' mode. Drawing in this mode will create a new Shape which will be used as a Clipping Mask to any selected Shape.