How would you define a cloud today?

A cloud in present ICT forms is simply a digital storage device which has the capability to upload and download about 300TERABYTE at a time depending on signal status

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.