You can attach comments to nodes to help describe the task involved and annotate the data being used. Comments appear as tooltips when you place the cursor over a node, as shown below:
To enter or edit a node's comments:
Click on the node (either in the workspace or in the project tree) with the right-hand mouse button to display the context menu.
Select the comment command from the context menu to display the edit comment dialog.
Enter the comment on the edit comment dialog. The maximum numbers of characters allowed in a comment is 1000.
To disable comments:
To stop the tooltip comments appearing when the cursor passs over the node, disable comments in the workspace options dialog. This option only disables the displaying of tooltip comments, the text itself is still attached to the node and can be viewed by using the comment command on the context menu.