Metafunctions

Textual metafunction
The term involves all of the grammatical systems responsible for managing the flow of discourse.
Textual metafunction involves the creation of text. It is a resource for presenting interpersonal and ideational meanings as information that can be shared by speaker and listener into text unfolding in context.
According to Halliday, textual metafunction is realized through thematic structure, information structure and cohesion.
Principle system:…