Update the definition of "path aware networking" based on the current questions draft
In the use cases section and the examples section, clarify how different entities have visibility of and control over different path elements and path properties. (Implicit: This is why the generic definition in this document becomes a specific definition in the context of a specific technology)
In the Examples section, remove some text around examples that are not really path-aware networking
This PR does the following:
Please let me know what you think.