The Progress bar at the top of the QuickStart interface provides information showing the steps that are needed to complete the current task. Tasks might include creating a dimension with included measured features or as simple as measuring a circle feature. The highlighted step indicates the current step of the current task.
Elements of the progress bar include:
Left-most and right-most icons: Shows the current task
Icons between the end icons: Indicates the steps needed to complete the task.
Icon highlighted in Red: Indicates the current step for the task.
These steps will change dynamically as needed. For example, if you have already measured a circle with the associated plane, subsequent circles would not require you to measure a new reference plane. In this case, only a circle would be displayed in the Progress bar.
If you click New Plane from the circle interface, the plane step would be inserted before the circle step.