I do not want to copy and paste as I find that if I change either the copy or the original tjen the the other one also changes
There are two different Edit options in Premiere Elements
1. Edit menu - Duplicate
This option is to duplicate clip in Project Asset panel - Import a file and Select the file in Project asset view. Go to Edit menu - duplicate
It will create a copy of the clip
2. Edit option in right click menu on clip in timeline
This option will be enabled for motion title - Add a motion title and right click on motion title in timeline
Edit option will be enabled.