When you open one of the text documents, i.e. Query Letter, it opens with an example of what that type of document can look like.
You can highlight all the text and delete it, which will give you an empty page to work with. Deleting all the text from the page won't remove it from the original template and if you go to File > New from Template and choose that text document again, the text will again be there.
13025
https://fd.support/3oUqMzu