Weaknesses may lie in poor control of low-frequency complex structures, vocabulary, or the ability to express subtleties and nuances. Organization may suffer due to lack of variety in organizational patterns or in variety of cohesive devices. Able to write the language precisely and accurately in a variety of prose styles pertinent to professional educational needs. Errors of grammar are rare, including those in low-frequency complex structures. Consistently able to tailor language to suit audience and able to express subtleties and nuances.
Expository prose is clearly, consistently, and explicitly organized.
The writer employs a variety of organizational patterns, uses a wide variety of cohesive devices such as ellipsis and parallelisms, and subordinates in a variety of ways. May have some ability to edit but not in the full range of styles. Has some flexibility within a style and shows some evidence of a use of stylistic devices. In addition to being clear, explicit, and informative, the writing and the ideas are also imaginative. The writer employs a very wide range of stylistic devices.