The timeagraph is like an EKG for a watch, it gives the horologist an idea to the health of the watch.
Beat is 21600 correct for the high beat 6497-2, 6497-1 low beat 18000
Lift angle designated by the movement the 6497 is 44 degrees if I recall correctly
Rate +/- 004 sec/day lose or gain of time per day, very good +/- 10 -15 sec/day is good the lower the better.
Amplitude is the degree the balance swings, you don't want it to swing too hard (over 350 degrees) and not too little (under 230 degrees) so pretty much anything in between is good.
Beat error is an adjustment that again the lower the number the better good rating is from 5-0
Now many of these readings are relative, and depends on the watchmaker but the reading I gave above are about average.
Hope this helps....