Sword or axe. . . . . . . . . . . . .
Answer:
audience and purpose
Explanation:
During the revision process for any piece of writing, a writer looks at his own writing through the eyes of a reader and tries to detect some mistakes in his work that he can correct.
During this stage, the writer focuses on the audience he's writing for and his purpose to see if he is still in line or if he had deviated from his purpose.
The answer is
2.research skills
