A communication diagram is an extension of object diagram that shows the objects along with the messages that travel from one to another. In addition to the associations among objects, …

Jul 23, 2025 · A Communication Diagram in Unified Modeling Language (UML) visually represents the interactions between objects or components in a system. It focuses on how …

Communication diagram (called collaboration diagram in UML 1.x) is a kind of UML interaction diagram which shows interactions between objects and/or parts (represented as lifelines) …

Oct 13, 2025 · In this guide, we’ll explore what a Communication Diagram is, its purpose, key elements, and how to create one effectively. A Communication Diagram is a type of UML …

A guide to communication diagrams in UML including a basic overview, how they relate to sequence diagrams, common benefits, symbols and notations, & examples.

Oct 10, 2025 · In this guide, you'll learn the foundations of creating UML communication diagrams — what they look like, when to use them, and how to use them effectively. Communication …

Mar 7, 2025 · Communication diagrams (formerly collaboration diagrams) show the messages that are passed in a system as an action is taken or an event occurs, and in what order they …

Oct 22, 2025 · Explore various communication diagram examples, from simple interactions to complex systems. Learn different system behaviors to draw communication diagrams online …

A communication diagram extends the object diagram by depicting the objects and the messages that flow between them. While a sequence diagram focuses on the time and order of events, a …

You can create a UML Communication diagram to show the interactions between lifelines that use sequenced messages in a free-form arrangement.