The topical Theme is divided into two subtypes: Simple marked Theme refers to when a topical element is chosen for foregrounding while simple unmarked Theme refers to that which is most usual.

The ideational is subdivided into two components, i.e., “experiential” and “logical”. They convey …

Context of situation is closely related to various texts. Certain … asks for certain text and in return, certain text creates certain context.

Thematic progression helps give cohesion and thus coherence to a text, guiding the reader through the text …

Thematic structure includes Theme and Thematic progression patterns, information structure includes … and cohesion includes reference, conjunction, ellipsis and lexical cohesion.

Theme and Rheme boundary is a sequential ordering and range of possible groups or phrases that use for setting … structure.

In the process of communication, the meaning system is largely determined … situational context: ideational meaning by field, interpersonal meaning by tenor and textual meaning by mode.