What version of Premiere Elements are you using and on what computer operating system is it running? What workspace
are you using in the Premiere Elements version that you have?
Generalizing for now....titles are created in the program Titler. When you complete creating the title you close the Titler.
If you want to re-edit the title file on the Timeline, you double click the file on the video track to open the Titler for further
Once we know the details of your program version, we can get at the core of where you may be getting detoured in the
process of title creation and re-editing of the title.
Please review the following Adobe documents on Premiere Elements titles
and then we can address the specifics of your workflow.
Looking forward to your follow up with details to help us help you.