It shows a strong sense of Audience and Purpose. The writer makes a commitment to the reader and attempts to meet that commitment. It is adequately organized so that the reader can follow it. Generalizations are supported with specifics. There are few distracting errors in usage, punctuation, or spelling.
Diction is correct.
A satisfactory paper that makes a routine response to the assignment. It shows some sense of Audience and Purpose. It makes a commitment to the reader and attempts to meet that commitment. It is adequately organized so that the reader can follow it. Generalizations are supported with specifics.