| Subject | English | Polish |
| chem. | In case of fire: Use … for extinction. | W przypadku pożaru: Użyć … do gaszenia. |
| comp., MS | use case | przypadek użycia (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 | diagram przypadków użycia (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)) |