I believe because it was for the Christian persecution that took place around A.D. 64, since a lot of Christians did not want to give up their faith, but did not want to be killed, they hid every Christian symbol (I guess this could be the right answer, hope I could help!)
Low pitch low freq
High pitch high freq
i personaly think no they shouldn't
Answer:
Objectives mean the tasks you are told to do.
Operation is a term used for mission/quest
Obstacles mean the things in the game that try to stop you from getting your objectives done
And Outcome is the overall score, per say, like how you did in a mission, how quickly, or/and how much did you complete.
Explanation: