| Subject | English | Welsh |
| comp., MS | first class object | gwrthrych gradd flaenaf (A top-level object for building dashboards in PerformancePoint Services) |
| comp., MS | first-stage Recycle Bin | Bin Ailgylchu cam cyntaf (A container for items that are deleted. Items in this container are visible to users with the appropriate permissions and to site collection administrators) |