This diagram provides a visual representation of the interactions between different components in a system. It shows how different components interact with each other, and how data and information flow between them. It is a useful tool for understanding the structure of complex systems and for designing and debugging them. It can also be
From Wikipedia
Interaction Overview Diagram is one of the fourteen "nominative" types of diagrams of the Unified Modeling Language (UML), which can picture a control flow with nodes that can contain interaction diagrams.