In the window application bottom , is visible the timeline control.
1) It's the time of current selected operations.
If you hover this label, you can see the timing grouped by setup, if you have multiple setup in your project.
2) Here it's a graphical rappresentation of machining time of each operation.
The purpose of this graphic is too see at glance what operations are taking most of the machining time.
Every operation has a different colour , if you hover it with mouse cursor you can see the related operation in the viewport.
Click on color bar to select related operation.