Regularly I have questions around “copy”  operation

Why there is 3 “operations”?

What are the differences ?

and of course : what is the better solution?

I propose in this wiki  to present in a simple case the differences between them

The best solution is always linked to your needs, your solution knowledge and context/ history 😀 

please find below explanation and the 3DXML
 

Summer wiki 🏖️