You can create deployment diagrams within a node to visualize the component instances and file objects it contains.
To create a node diagram, press Ctrl and double-click the node symbol in the deployment diagram, or right-click the node in the Browser and select . The diagram is created under the node in the Browser and opens in the canvas pane.
To open a node diagram from the node symbol in a deployment diagram, press Ctrl and double-click on the node symbol or right-click the node symbol and select Open Diagram.