Extended_task_element

eu	Activity_method
du	Activity_method_item
eu	Activity_method_relationship
eu	Applied_activity_method_assignment
eu	Class
eu	Class_by_extension
eu	Class_by_intension
eu	Classification_assignment
du	Classification_item
eu	Concurrent_elements
eu	Condition
eu	Condition_assignment
du	Condition_classification_item
du	Condition_item
eu	Condition_parameter
du	Condition_parameter_item
eu	Condition_relationship
e	Decision_path
eu	Decision_point
eu	End_task
eu	Exit_loop
eu	Looping_element
e	Multiple_decision_point
eu	Repeat_count
eu	Repeat_until
eu	Repeat_while
eu	Start_task
eu	Structured_task_element
eu	Task_element
eu	Task_element_assignment
eu	Task_element_relationship
eu	Task_element_sequence
e	Task_io
e	Task_io_hierarchy
du	Task_item
eu	Task_step
e	Task_step_hierarchy