| Subject | English | Bulgarian |
| comp., MS | Web Part description file | Файл за описание на уеб компонент (An .xml file that defines the default property settings for a Web Part, including references to other files that are required to run and display the part) |
| comp., MS | Web Part zone | Област на уеб компоненти (A container with a set of properties that can be configured to control the organization and format of Web Parts on a Web Part Page) |