What is a key benefit of using annotations in data visualizations?

Using annotations in data visualizations primarily provides essential context and clarity. Annotations serve to highlight specific data points, trends, or significant events within the visualization. This added commentary or labeling helps viewers to quickly understand the relevance of the data without needing to interpret it solely through charts or graphs. When people view visualizations, they appreciate additional insights that direct their attention to what is important, explain anomalies, or elaborate on trends, making the data easier to comprehend.

The use of annotations can significantly enhance the storytelling aspect of data visualizations, ensuring that the audience grasps complex information without misinterpretation. By providing context, annotations support informed decision-making and improve the overall effectiveness of the communication inherent in the visualization.