The answer is c that what a lot of people use☻
They may invade privacy rights of air space and be used for other unintended acts such a bombings and espionage
Formatting can maybe be applied to software works
The answer that fills in the blank is orientation. It is because orientation does not provide all the details of what they are doing but a guideline of what they must do, in order for them to be guided on the things that they need to learn as they start. They require proper guidance which is the orientation before performing before hand. Especially when they are not familiar on what they need to do.