simple solution is to prefix something to object in Designer to identify it. Sorta like your example might be “EMP Lastname” where EMP is the class or folder or table to differentiate it from “CUST Lastname”.
You can also create a variable on the report side to show the actual SQL which I find helpful for documenting.
Thanks for the link to the other topic. I had done a search but missed that posting.
I don’t have access to the universe, but the linked topic gave me a way to see it. I couldn’t get the first tip to work, but the second one on that message worked for me.