What is the primary characteristic of annotated diagrams?

Annotated diagrams are primarily characterized by the inclusion of labels that describe the functionality of the various elements within the diagram. This feature is crucial as it helps the viewer understand the relationships and functions of the components depicted, making it a valuable tool for communicating complex information in a visually intuitive way. By utilizing annotations, these diagrams not only present a visual representation but also provide context that aids in interpretation and explanation of the underlying concepts.

The use of labeled diagrams enhances clarity and allows for better comprehension, especially in fields such as data analytics where understanding the connections between different data components is essential for analysis and decision-making. This aligns well with the needs of users who may require specific details about each element's role and how they work together to form a complete solution or system.

In contrast, other options either focus on aspects that do not emphasize the functionality of the elements or ignore the informative purpose of such diagrams. For example, diagrams containing only graphical elements without text would lack the necessary context, while those that are exact implementations of coding solutions would be more technical and less focused on high-level understanding. Similarly, diagrams that concentrate solely on aesthetic design elements may miss the crucial aspect of functionality that makes annotated diagrams valuable.