There are some errors in sentence structure. There is little variety in length and structure. The flow is not consistently smooth. Errors in sentence structure are frequent enough to represent a major distraction to the reader. Word Choice Word choice is unique and uniformly excellent.
Word choice is generally good.
The writer goes beyond the generic word to find one more precise and effective. The word choice is merely adequate, but the range of words is limited, tending toward general, abstract terms. Words are very ordinary. The writing is free of errors. The writing is free of errors, except for a few extremely technical rules.