Semantics refers to the meaning and the interpretation of signs, words, and the sentence structure. It should be noted that semantics determine the way we comprehend others and understand them.
Since the The Free Folk look down on Night's Watch and use terms such as 'crow' to separate themselves, then this is a language strategy known as semantics.
Therefore, the correct option is semantics.
By using lands to farm millet, wheat soy beans cucumbers bok choy. The Chinese would use the rivers that run through the plaines to fish, feeder cattle and travel up and down the rivers and boats
Except the Us postal service