After selecting a timeseries and drawing a box around a movement of interest, you can select level as a way to analyze the segment. In this case, the 2Y-10Y Spread being inverted.
The system will take the segment you've selected and find other periods when the timeseries was within the upper and lower bounds of your bounding box. Provided similar periods are found, the system will show you the typical forward path projection after the timeseries exits the box.