This sounds harsh, but you need to come up with your own ideas! What would happen if it was a client, would you ask on here? Did they give you some ideas of what it might mean on the course? If you had some ideas and were asking for which do we think is better but you have just been lazy and not bother to do any research.
Here is the definition:
pro·tec·tion/prəˈtekSHən/
Noun:
The action of protecting someone or something, or the state of being protected.
A person or thing that prevents someone or something from suffering harm or injury.