What is one characteristic of good reference material?
a. It is provided by an anonymous source.
b. It is provided by a reliable source.
c. It is fictional.
d. It is out-of-date.

answer is:

a). backstage view

explanation:

backstage view is the area where files and data about them is managed— creating, saving, printing, sending to others, inspecting for hidden metadata or personal information, and setting options. so in this way we can add many things to our document swiftly.

i hope you get the idea.