| Subject | English | German |
| ed. | compulsory elective course | Wahlpflichtkurs |
| ed. | elective course | Wahlkurs |
| ed. | elective course | Wahllehrveranstaltung |
| ed. | elective course | Alternativfach (choice between two courses taught) |
| ed. | elective course | Wahlfach (choice between more than two courses taught) |
| ed. | mandatory elective course | Wahlpflichtkurs |