Activities represent the discrete states that a Worker can be in at any given time. Valid Activity labels might include 'offline', 'busy', 'wrapping-up', or 'vacation'. Each Activity has a special property called 'Available' that determines whether a Worker currently engaged in this Activity should be considered eligible for new Task Reservations.
With your Workspace open in the TaskRouter web portal, click 'Activities' to see the default Activities that were provided when you created this Workspace:
These Activities will work well for our example application - no need to make any changes.