In addition to the central constituent as described, the paragraph may also have a speech orienter. This theme can be classified as descriptive, narrational, expositional, hortatory, procedural, or interrogative. In addition to the central constituent as described, the paragraph may also have a speech orienter. This is also considered central to the structure of the paragraph. The role meaning in a semantic unit refers to the interrelation of a concept t with its context.
Propositions take on a role function from context.
The relational system not only assigns connections among propositions but also a particular role to each proposition such as reason, condition, etc. 36 Purpose is the third feature of meaning. However, this perlocutionary function can usually only be determined within a larger context. In their simplest forms, things would appear in the surface structure as nouns, events as verbs, abstractions as adjectives or adverbs and relations as prepositions and conjunctions. However, this breakdown is not invoilable since skewing occurs on the concept level.