The entire dissertation is written and now there are only a few hundred words to go. The abstract needs to appeal to a wide audience, and so making it understandable to this wider audience is absolutely essential to your success. Tell your advisor what kind of feedback would be most helpful to you.
Decorate your work space for productivity. Grammar mistakes and sloppy formatting errors can drag down the quality of your hard work. You might ask questions like: How often should I be in contact with you about my progress?
You can generate a table of contents automatically in Word if you used heading styles.
Or form a writing and support group—the Writing Center can help you do that. A final tip: follow the rules for margins, fonts, table formats, and so on in early drafts. After all, the dissertation is the beginning of the end of a graduate career.
So practice working elsewhere, and at other times. Pay attention to the logical connection between each argument. This can be done by providing a background section.