I am drawing a blank, but I am sure there is a word to describe a type of graphs where multiple curves are shown on one set of axes? Each plot represents a specific scenario and are all shown together on one set of axes for ease of comparison.
For one, a “family of curves” comes to mind, but I believe there may be a better term? Anyone?
Maybe multiplot?
“Multiple series plot” is how it would be described in most graphing programs that I know.
Spaghetti graph is the somewhat pejorative term, assuming I understand the OP properly.
Though I see wiki thinks that term refers to something else:
and here’s a blog post that discusses what I have in mind: