Three long answers
The instrument is on the front page and takes about a second to understand. These are the pieces for when the result is not what you hoped, or when you want to know what you are agreeing to before you press anything.
Caption bars, and the two ways to clear one
Why clearing the glyphs alone leaves a rectangle, and what one soft pass buys against four sharp sections.
Flat ground, busy ground
The single best predictor of whether you will be pleased with the result, worked through on three grounds.
Lettering somebody else put there
What clearing a mark does and does not change about who owns the picture underneath it.
Two more are drafted and not published: one on what a scene-text detector proposes and what it misses, which waits on there being a detector here at all, and one on the orange dates film cameras printed into a corner. Neither is listed above, because a link to a page that does not exist is a small lie.