As you will see from the system info above, I have carried out a (Konsole-based) release-upgrade to a supported version and the original problem, as stated above, has persisted. 56mm (hor.) x 58mm Bose & you for your responses to my previous post which I have implemented.
56mm (hor.) x 58mm (ver.), and the 'third' is approx. 56mm (hor.) x 33mm (ver.), the 'second'' is approx. I have ended up with three off-white rectangles on the desktop, each of which contain the name/title of a news item that I downloaded from a respectable linux news site.