Validation rule: b* obligate the user to enter a name :

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.

amazon is a website were you shop cosmetics such as clothes, electronics and food. amazon also makes there own thechnology such as kindle book readers and tablets or the alexa which is an inteligent ai. and they also have a streaming service which is called prime video.