Discourse
Extended streches of communication. One complete text with structure and cohesion.
Graphology
The visual aspects of textual design + appearance
Lexis
The vocabulary system ; the words+phrases of a language
Morphology
The system of word formation ; the words+phrases of a language
Phonology
Production+description of the sounds of language
Phagmatics
Social contexts + implied meanings encoded in language
Semantics
The meaning of language + how it is generated within texts
Grammar
The grammar of a natural language is its set of structural constraints on speakers’ or writers’ composition of clauses, phrases, and words.