Which element is NOT important in report writing?

Being vague and ambiguous is not important in report writing because effective communication is critical in conveying information accurately and concisely. A well-crafted report should aim for clarity, allowing the reader to understand the content without confusion. Clarity ensures that the main points are easily grasped and that the intentions of the report are clear, preventing misinterpretations.

Completeness is essential as it guarantees that all necessary information is included, giving the reader a full understanding of the topic at hand. Neatness also plays a role in report writing, as an organized and visually appealing presentation aids in readability and professionalism. Thus, the other options focus on qualities that enhance report writing, while vagueness undermines the report's purpose.