活動(A functional work structure in which one or more persons and pieces of equipment participate and in which resources are consumed, produced, and used. An activity can be decomposed into subactivities, katsudō); アクティビティ(In a statechart diagram, the response an object in a particular state makes to an event without changing its state. Unlike actions, activities have non-negligible execution times and can be interrupted. The keyword do indicates an activity)
