What is the purpose of "Pause Duration" on the Overlay Track Preview Panel?

[tanguero]

This if for X8 but perhaps applies to later versions as well.

If I click on a clip on the main video timeline, the Preview Panel (Clip view) shows orange "Trim Markers" with a white band highlighting the portion of the complete video that corresponds to that clip. So far so good.

But if I click on a clip on an Overlay Track, the Preview Panel shows the same orange markers but they are now labelled (if I hover over it) "Pause Duration" with a light blue band highlighting (always) about the middle third of the clip. I could not find any reference to this "Pause Duration," neither could I see what moving the markers do. Any ideas?

Also, again just with a clip on an overlay track selected, there is a recessed white rectangle that appears on the main video track that also seems rather mysterious to me. Any clues about that?

The attached screenshot shows the two items I'm referring to--thanks!

[tletter]

This if for X8 ... I could not find any reference to this "Pause Duration," neither could I see what moving the markers do. Any ideas?

Check the X8 user guide for the explanation (see encl image).

tletter
https://www.youtube.com/user/tletter

[lata]

Generally seen when working with Overlay tracks, the bar immediately below the preview screen is multifunctional in that its effect depends on the edits we are applying.
So if we apply a Basic Motion Fade – In and Fade Out the first and last section are the fade time, the blue bar shows Pause Duration, where we see the clip in full.

Some further info using this bar
http://lata.me.uk/corel/trimbar/trim_bar.htm

And the rectangle is known as the Safe Area, any details outside this rectangle ( text) may not be visible when playing back on a TV as televisions did suffer from what is known as OverScan, not much of a problem with newer TV sets.
The rectangle does not show on the final rendered video.

[tanguero]

Thanks, tletter and lata. It is a little strange that the pause duration shows even when there is no effect applied that it might pertain to, and that on the few clips that it might apply to (where I have cross-fade, for example), the timing of when I see the clip in full is determined by the cross-fade settings, not the pause duration. But OK, I understand that there may be some effects where it does apply, motion applied to the overlay track among them, it seems (according to the user guide).

Thanks for the explanation of the Safe Area--also strange that it only shows when I'm displaying a clip on an overlay track, perhaps because overlay tracks are often used for text? (I'm using mine for dual-cam editing.)