Yes, it is possible. In some more basic video editing software as well, you can achieve this. You might not have as many advanced options as in professional software, but you can still isolate a part of the video and consider it a highlight without incorporating it into a story. For example, if you are using a free or simple - to - use video editor, you can usually just select the segment you want, duplicate it, and label it as a highlight for future reference or sharing, without it being part of a story.
Yes. In video editing software like Adobe Premiere Pro, you can create a highlight clip without necessarily adding it to a storyboard. You can simply cut out the section you want as a highlight, save it separately. This allows you to have a stand - alone highlight for various purposes such as previews or special presentations.