| Subject | English | Welsh |
| comp., MS | free/busy status | statws rhydd/prysur (Information regarding the availability of a user) |
| comp., MS | free/busy time | amser rhydd/prysur (In Calendar, time status and user defined labels are indicated by colors and patterns) |
| comp., MS | macro-free | heb facros (Pertaining to a file format that does not allow for VBA code. Office 12 default file formats are macro-free. Examples of file extensions for macro-free formats are .docx, .pptx, .xlsx) |
| comp., MS | Top free | Y prif raglenni am ddim (The category of the top apps and similar items that are free at any point in time) |