| Subject | English | Chinese Taiwan |
| comp., MS | use case | 使用案例 (A collection of scenarios which make up a behaviorally related sequence of interactions that a user performs in a dialog with a system) |
| comp., MS | use case diagram | 使用案例圖 (A diagram that shows the external actors who will interact with your system and how they will use it. The diagram consists of a system boundary, actors, use cases, and use case relationships (communicates, uses, and extends)) |