Grouping Nodes
Besides the built-in subgraphs provided with nodes like AJAIn, AJAOut, and Gaussian Blur, subgraphs also serve as the method for node grouping.
To utilize it:

- Select a node network consist of two or more nodes.

- Right click on one of the nodes and select the Collapse into graph option from the context menu, as illustrated above.

- Grouped node is ready, as shown on the image above.