1. The milestones, heartbeats, and clock rotations represent repetitive occurrences, while the building structure represents a fixed repetitive arrangement of beams and nodes.
2. The scales described are indicative of either space (highways, beams) or time (heartbeats, clock rotations).
3. Hence:
- Option \(B\) is true as the scales are indicative of either space or time.
- Option \(C\) is true as the highlighted phrases describe repetitive arrangements or occurrences.
- Option \(A\) is false because the structures described are repetitive, not non-repetitive.
- Option \(D\) is false because the scales are not indicative of volume.
Conclusion: The correct options are \(B\) and \(C\).