| Subject | German | English |
| hobby, lab.law. | High Level Group für Tourismus und Beschäftigung | High Level Group on Tourism and Employment |
| comp., MS | High-Level Data Link Control | High-level Data Link Control (A protocol for information transfer adopted by the ISO. HDLC is a bit-oriented, synchronous protocol that applies to the data-link (message-packaging) layer (layer 2 of the ISO/OSI reference model) for computer-to-microcomputer communications) |
| gen. | Hilfsmittel für High Level CAD | high-level computer aided design tools |