Is there any article or notes on OCC coordinate systems?

[easternbun]

Any pieces of information would be fine.
It is confusing of how topshape, sub-shape, presentation, AIS global coordinate system goes and how they stack together.

 

[soupyx]

Any pieces of information would be fine.
It is confusing of how topshape, sub-shape, presentation, AIS global coordinate system goes and how they stack together.

second this, so confusing to know/find what coordinate system is what