Solved
Event Variables
Are Event variables part of the work table in a work flow?
Are the resources for an Event variable stored in the work table or another place?
Good question! Actually, the name of the worktable is one of the event variables. You can see them by clicking on the 
the 'Display the tasks and log' icon. Then go to the Tasks tab and double-click on an activity or select it and click on Detail. Then go to the Variables tab - a bit nested I agree! It will show you the event variables output by that activity. Here is an example of the event variables following a Query, that I took from one of your workflows:
