Halliday & Matthiessen (1999: 168-70):
The Range is not some entity that is impacted by the Process; it either
- (i) expands the Process, or
- (ii) is projected by it.
Where the relationship is one of expansion, this take[s] one of two forms: the Range either
- (a) elaborates the Process in an objectified form, or
- (b) enhances it by delimiting its scope. …
Where the relation is one of projection, the Range represents the subject matter …