Task_element_arm
short long

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
e	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_point
e	End_task
e	Exit_loop
e	Looping_element
e	Repeat_count
e	Repeat_until
e	Repeat_while
e	Start_task
e	Structured_task_element
e	Task_element
e	Task_element_assignment
e	Task_element_relationship
e	Task_element_sequence
d	Task_item
e	Task_step