Answer:
2.working ... heading.
3. demoting ...document
4: creating .......Navigation view
Explanation:
The outline view shows the document uniquely. It leverages advantage from the Word's style of heading for sorting out the problems of the groups by helping then arrange their thoughts, plotlines, and the ideas, as well as mix in the text for helping to arrange the thoughts. Hence, 2 and 3 are correct options. Also, the headings are displayed on the navigation view. And hence the fourth option is also correct.