Instead of a blank do***ent it only opens an old do***ent

Version: 2008
Operating System: Mac OS X 10.5 (Leopard)

I have attempted to open a blank do***ent, and each time I open a "new
blank do***ent" I get an old do***ent that I wrote sometime back and
saved, as if it is a template for my "new blank do***ent." I hope that
makes sense to someone. I have attempted to search through my tools, and
other items on the tool bar to try to stop this from occurring but to no
avail, it will not give a true "blank" do***ent. Can someone please offer
some suggestions on how this can be removed or deleted?

Thanks