Linguistic semantics is the area of semantics that studies meaning of words as they occur in grammatical structures.
Answer: 1. Linguistic semantics
Explanation
General semantics is the field of semantics that tells about the nature of words and symbols and attempts to express ideas effectively through the use of language thereby refining it.
Philosophical semantics is the area of semantics that studies the philosophical relations related to words and their meanings.
Semantics explores the branches of logic and language with its concerned meaning.
There are many branches under semantics.
Ideas and content <span>refers to one of the six writing traits that addresses the thesis, opinion, or theme.
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I believe it might be C. Correct me if I am wrong.
Your tone
Let's look at the other choices first. Your credibility is your ability to be believed as trustworthy in regards to the subject. Whether you're talking to a group of teenagers or professional adults, your credibility doesn't change. Your clarity also should not change based on the audience because you want to be clear in your message at all times. Also, your purpose should be the same no matter the audience. The only thing that would change is your tone. The way you approach a crowd of teenagers would vary greatly from the way you'd approach a room of professionals.