This document discusses genre, text, and grammar models of language. It explains that these models are primarily concerned with what occurs in writing and aim to provide students the ability to use writing codes efficiently and effectively. It describes four perspectives on language: context, genre, text, and grammar. Context refers to how texts relate to social environments and other texts. Genre describes textual categories. Text looks at how different types have distinctive characteristics. Grammar examines the formal and functional aspects of how English is structured. The document also connects genre, text, and grammar, describing how genre involves social contexts, text involves language processes, and grammar involves word choices and limitations.