Based on the information we have thus far, I would suggest the title refers to a group of "things" (persons, stars) that, when observed from a particular point of view, has a certain form/shape/expression. The keys being observation and points of view.
But I would be more inclined to let the...
The core concepts have nothing to do with either general or special relativity.
This is one of the shows where people "think they get it" but, in fact, do not.
I think you might be missing a critical piece of the science concerning the observer effect and superposition. The bit in your spoiler isn't sloppy or inferior visual storytelling: it's a (novel?) spin on the theory. The interference pattern can be observed (Henry can see it, and he can trace...
My best guess as to why Alice is entangled, and really why this entire story is occurring, is that it has something to do with a sort of "double observer" problem. This theory was reinforced by the callback in episode five to the line in episode one where Jo tells Alice to "wave to yourself"...
Same. I use it a fair bit (probably too much) in legal briefs. Basically anytime I need bullshit (Alberta judges please stop reading) I say something like, "well, Justice Smith, this area of the law is rather inchoate in Canada, so...[insert BS]" or "well, Justice Smith, this is a fresh point of...