Extension: Composition

Instance Vs Potential

Mental Projection

Text Vs Discourse [Defined]

Halliday (2008: 78):

I do make a distinction between these two; but it is a difference in point of view, between different angles of vision on the phenomena, not in the phenomena themselves. So we can use either to define the other: “discourse” is text that is being viewed in its sociocultural context, while “text” is discourse that is being viewed as a process of language.

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