case 1

1
00:00:00-->00:00:04
You don't even have scales so you don't

2
00:00:05-->00:00:07
even know approximate values there is no

3
00:00:08-->00:00:11
relative values you know that is less negative

4
00:00:12-->00:00:14
you know this is closer to the x axis than that

5
00:00:15-->00:00:20
is you know the difference is about this much

6
00:00:21-->00:00:23
is gonna be right there I don't even have any

7
00:00:24-->00:00:29
scales on the axis see that's the important part.