The House of Requirements

The relationship between Use Cases and Use Case Scenarios is the hypotenuse of the conjoined triangles of the House of Requirements.

Totally agree with this diagram, it's a great representation.

Now if I could only get stakeholders and less experienced people on the team to understand why it's important, and get them to follow it.

Excellent. I agree totally. But trying to get adherence to standards in requirements documentation is like trying to nail jelly to the ceiling.