Martin & Rose (2007: 194):
In many registers, hyperThemes tend to involve evaluation, so that the following text justifies the appraisal, at the same time as it gives us more detail about the field of the hyperTheme (its ‘topic’).
Blogger Comments:
[1] This is misleading. To be clear, in almost all registers of language, hyperThemes do not feature at all. The only texts that feature hyperThemes are those that conform to 'topic sentence' principle of writing pedagogy.
[2] To be clear, in SFL Theory, 'field' refers to the ideational dimension of the culture as semiotic system. When Martin & Rose use the term 'field', they are usually — as here — referring to the ideational dimension of semantics, even though they misunderstand field as a dimension of register (a sub-potential of language) which they, in turn, misunderstand as context, as documented in great detail here.
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