Martin (1992: 392):
The modularity imposed by stratification is also an important issue. Discourse systems generate structures which in principle cut across grammatical and phonological ones.
Blogger Comments:
[1] This continues the misconstrual of strata as modules instead of complementary levels of symbolic abstraction.
[2] To be clear, in SFL theory, the relation between system and structure is realisation. This axial relation is distinct from the process of instantiation — the selection of systemic features and the activation of realisation statements — during logogenesis.
