| Subject | English | Bulgarian |
| econ. | integrated development | интегрирано развитие |
| comp., MS | integrated development environment | интегрирана развойна среда (A set of integrated tools for developing software. The tools are generally run from one user interface and consist of a compiler, an editor, and a debugger, among others) |
| econ. | integrated development programme | интегрирана програма за развитие |
| gen. | Integrated Development Team | интегриран екип за развитие |