Hi Tanu,
These are the present limits for visual workflow:
Maximum number of versions per flow – 50
Maximum number of executed elements at run time – 2,000
Maximum number of active flows and processes per org – 500
Maximum number of flows and processes per org – 1,000
Maximum number of flow interviews or groups of scheduled actions (from processes) that are waiting at one time – 30,000
Maximum number of flow interviews that are resumed or groups of scheduled actions that are executed per hour – 1,000
Maximum number of relative time alarms defined in flow versions or schedules based on a field value in processes – 20,000
So I think to answer your question “Maximum number of executed elements at run time – 2,000” involves all the elements.
Hope this helps you.