Workflow Runs Canvas is the visual surface for displaying the workflow Run. Workflow Run refers to the specific workflow state at the moment of its triggering, so specific version of workflow Nodes graph is presented.
Nodes Manipulation in Canvas
Workflow Runs Canvas is read-only activity mode view of a workflow Run. Nodes data can be obtained by selecting one by one.
Selecting Node - done by single-click. Thereafter relevant information, in the Right Sidebar and CLI, become available based on Node Type (Tool/Script/Splitter).
Controls for manipulating with workflow Runs are placed within Action bar.
Below Canvas, there is Command Line Interface (CLI).