Subillustrations

Subillustrations, also known as subordinate illustrations or inset illustrations, are supplementary visual elements that are positioned within or adjacent to a larger, primary illustration. Their purpose is to provide additional detail, context, or a different perspective on a specific aspect of the main image without disrupting its overall composition. They are often used in technical diagrams, scientific publications, maps, and instructional materials.

The content of a subillustration can vary widely. It might zoom in on a particular component that requires closer examination, show a cross-section of an object, illustrate a different stage of a process, or display a magnified view of a small feature. By isolating these details, subillustrations help to clarify complex information and prevent the primary illustration from becoming overly cluttered.

The integration of subillustrations is typically achieved through a clear visual hierarchy. The main illustration commands the primary attention, while the subillustrations are distinct enough to be noticed but small enough not to overwhelm the central image. They are often connected to the area they illustrate on the main image with lines, arrows, or labels, ensuring the viewer understands the relationship between the different visual elements. This technique enhances comprehension and accessibility of visual information.