Larson calls the “Material Sector”, the region of our common experience, the “time-space region”, and the “Cosmic Sector”, space-time. Most other literature refer to these region as space/time and time/space, respectively. This is an important point that must be remembered. In the RS2 texts, common reference is identified by a slash between the two aspects, and Larson's reference uses a dash. Hence:

I know it is confusing, but we are stuck with it.