Hello Ernest,
About point 1
You wrote:
1. For this case I may recommend a stronger filtering rule, either one of these two: https://i.imgur.com/j3lrVre.png
This has been implemented, however:
Once we choose a keyword from the filters, we still get contents from both the pages.
We were told that this is how it works. The system will provide the content related to the specific page only if we select a topic and subtopic on the filters above.
Is that correct?
Best Regards,
Rosa