| Subject | English | German |
| auto.ctrl. | open action path | offener Wirkungsweg |
| comp., MS | open path | offener Pfad (A vector path whose beginning and end points are not the same) |
| commun. | open shortest path first | Open-Shortest-Path-First |
| comp., MS | open shortest path first | Open Shortest Path First (A routing protocol for Internet Protocol (IP) networks. OSPF allows a router to calculate the shortest path to each node for sending messages. The router sends information on the nodes it is linked to, called link-state advertisements, to other routers on the network to accumulate link-state information to make its calculations) |
| commun., IT | open-sea path | Strecke auf offener See |