Examples of apps include pop-up windows, validation of webform inpts and images that change when a cursor passes over them

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.

yes, but you must first make sure that you'll be able to make your turn or you can crash into other vehicles.