Protection means when any group of poeple or thnigs tries to defned the people or thigns they love and care for (so that they would not get hurt from an attcak). Protectoin can also mean other things, for exmaple:
Civil protetcion, or Civil deefnse, is a soceity to do with life, heatlh, prpoerty and enviornment of citziens, and proetcting them.
Protectionsim, in internaitonal trade, the group of peolpe to do with ipmorts(trade that comes into its conutry from a dfiferent cuontry) in order to proetct its own country from haivng no pepole to by their objcets.