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Sentence structure refers to how sentences are constructed grammatically. It includes elements such as subject, verb, object, phrases, clauses, punctuation marks, and sentence types (simple, compound, complex).
Syntax refers to the arrangement of words and phrases to create well-formed sentences in a language.
Parallelism is the repetition of grammatical structure or pattern within a sentence or paragraph for emphasis and clarity.
Fragment: A fragment is an incomplete sentence that lacks either a subject, verb, or both.