I may have written about this already, but the forum doesn’t allow to display just ones own suggestions.
When there are more attributes than will fit on the screen without scrolling, it is often not possible to simultaneously view the X-axis timeline and a specific chart at the same time, so the actual date/time isn’t known. Often even the units are not certain. I suggest the date/time & units are displayed within the attribute popup - see attached - Supply Fan Speed, value 1,108 - what is the time, and what is this value? Most likely 1,108RPM, but a more useful/ concise popup would be good.