| Subject | English | Polish |
| snd.rec. | digital audio disk system | system płyt fonicznych cyfrowych |
| construct. | disk system | układ tarczowy |
| comp., MS | Microsoft Disk Operating System | system operacyjny MS-DOS (A Microsoft computer operating system with a command-line interface that is used to control many internal computer functions, such as running programs and organizing and maintaining files) |
| gen. | system disk | dysk systemowy |