When there are more columns or rows than you can view on one screen at a time, you can use the command to lock columns and rows on the screen.
Freeze Panes
Freeze Rows
Freeze Windows
Freeze Columns

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.

answermetacognitive;