The document discusses various writing skills, including:
1) The ability to write impersonally, clearly, and accurately through self-regulation.
2) Understanding that punctuation is integral to thinking, not an afterthought, such as using parenthetical commas and dashes.
3) Using semi-colons to separate linked or contrasting clauses, and commas for parenthesis.
4) Having a mixture of precision and interestingness in writing, with a rhythm that demonstrates familiarity with good prose style.
5) Demonstrating how effective writers sometimes clarify and sometimes mystify.
6) Having lexical variety that avoids repetition, including adept use of pronouns.
7) Understanding the power of simplicity