Yes, you can reorder the individual segments. If the original video has chapters, these get imported as segments or you can mark them up manually.

It has start and stop times, but that's all.

I see. Thanks.

So, not in reply to you, but the parent. It then seems entirely accurate to say they are not comparable.

Ffmpeg as workhorse is common. But what handbrake and losslesscut are in terms of (mostly) UI, they solve different problems, of which there isn't much to compare.