Final answer:
SmartArt and diagrams are visual aids used in journalistic documents to represent concepts, while graphics enhance document comprehension.
Explanation:
SmartArt is the option used to create visual representations of concepts in a journalistic document, providing a more engaging format for conveying information. Diagrams are another form of presentation aid that outlines and explains parts of objects or processes not immediately visible, enhancing the understanding of complex topics. Graphics are essential for creating visual appeal and improving comprehension in documents by illustrating concepts in a clear and concise manner.
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