Activities are actions that represent work done as part of a business process. Activities are categorized by activity types. Except for the abstract task and the call activity, each activity type displays an ornament image that represents the specific behavior of that activity type. The following activity types are available as displayed on the design canvas:

You can define your own custom ornament images for activity steps, with the exception of the subprocess step. For more information, see Assigning Custom Step Ornaments.