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.
The table function can also be used to compare between items. The items can be arranged in columns and the features tonbe compared can be placed in columns. With this one can make comparison between the items.
