Relax man, we are just discussing a topic casually, no need to be too serious about the words (as long as I get your meaning).
One of the things we have to be clear is, is the dimensional plane you mentioned a graph visualization of space-time or the actual space-time. Graph visualization only gives you an idea of how the universe evolves, not to do time travel with it.
Anyway, don't be discouraged by not able to answer something, I try to do the opposite that lets you find the answer later.
Ok, well, the dimensional plane I mentioned was referring to spacetime itself.
Mind to upload a drawing of it?
No, I do not mind, though it might be a while since I don't have access to a camera, or readily available (or good) paint software, so sorry if the final thing is low-resolution and bad quality.
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