In this instance, the horizon may be designated darkform. Darkform is a single word because it cannot bond with other words. Perfectly unreflective, it absorbs everything into its blackness except the transitory glitterings at its surface. Its color temperature remains unchanged. It returns nothing to the eye.
Black can never be seen enough to be known.
But in 2023 I upgraded my computer and its software, and rerunning the restoration now brings back so much more history that separate pages can be seen once again in the book on the photographer’s table. If I still had the Microsoft Word text of my own 2021 book, I’d replace the old image there with the new one and hit Republish. The Word text is long deleted, though, and to change that one page now I’d have to retype the whole book and then hassle with Issuu.