The correct answer is C. Grammar.
A grammar is a set of rules that define the structure of sentences in a language. It is a finite
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Communication is the process of exchanging information between two or more people. It can be done through speech, writing, sign language, or other means.
A phrase is a group of words that together have a meaning. For example, the phrase “the cat sat on the mat” has a meaning that is different from the meaning of the words “the,” “cat,” “sat,” and “mat” when they are not grouped together.