| Subject | English | Tamil |
| comp., MS | form definition file | படிவ விளக்கக் கோப்பு (An XML file with an .xsf extension that contains information about all other files and components used within a form, including user interface customizations, XML Schemas, views, business logic, events, and deployment settings) |
| comp., MS | Office compatibility definition file | Office இணக்கத்தன்மையின் வரையறைக் கோப்பு (A file that stores information about compatibility issues and workarounds and makes it available to the Office Telemetry Log and Office Telemetry Dashboard) |