In this case the tag is just being provided to cross reference customer requests to items that are candidates for inclusion in our rodamap - helping to reduce duplication and enabling us to track which functionality is required by customers. You can use this reference in discussions with your account manager or with Support.
Note that you can currently run multiple nodes at the same time (when the run is initiated for the nodes at the same time). The required nodes can be selected clicking on the canvas and entering Ctrl + A to select all nodes (or right-click on the canvas and use the 'Select All" option in the context menu). You can also select specific nodes to run at the same time by hovering the cursor over each node and using Ctrl + left-mouse click then use the run/ re-run menu button (or Ctrl + R / Ctrl + Shift + R) to execute the selected nodes.
LAE-7888 relates to extending the run capabilities to allow a subsequent nodes to be added to the queue of nodes to be executed.