Re-visiting some stuff on hubble diagram/constant and expansion.

-Is the n-dimensional coordinate system an accurate representation of the universe? Do all base-units have a unique and single position in this system? Is this position a property of the base unit or a property of the coordinate system? If the first, do all base-units have this property?

-Does a black hole have a position in the coordinate system? Does it expand as the rest of the universe? Does its raster-position?
-Do base units expand? Its position?

Ill bump this once and then let it die.

I'll have a go:

it depends what you mean. A specific one? Possibly. The general idea of using one? Almost certainly.

What do you mean by a 'base unit'?

Yes.

No. Their size appears fixed in physical, rather than comoving coordinates


whats a 'raster position'?

The basic of the question is that of a particle moving in a space. Is it moving in a raster of dimensions or moving relative to other particles? Does it have a unique and single position in that raster?
By base unit I mean anything 'undivideable' that holds properties, such as velocity/vector, mass or energy. A photon seems like a suitable example.

I am thinking of a percieved difference between objects holding certain properties (base-units) and the space we think them in. Is that difference real?

Something to note aswell, although I thank you for replying, cut out answers do not serve me very well. I would like to try to understand why it is so. Explaning why you answer such would help.
If im still unclear, let me know.