| Subject | Welsh | English |
| comp., MS | data ffynhonnell | source data (The list or table that's used to create a PivotTable or PivotChart report. Source data can be taken from an Excel list or range, an external database or cube, or another PivotTable report) |
| comp., MS | ffynhonnell data | data source (In communications, the portion of a Data Terminal Equipment (DTE) device that sends data) |
| comp., MS | ffynhonnell data ADO | ADO data source (Data and the information that is needed to access that data from applications and databases that support the ActiveX Data Objects (ADO) data access interface) |
| comp., MS | ffynhonnell data all-lein | offline data source (A secondary data source that is accessible to users who fill out forms offline. When a user is online, data from the data source is stored on the user's computer so that it can appear in controls when the form is offline) |
| comp., MS | ffynhonnell data ODBC | ODBC data source (Data and the information needed to access that data from programs and databases that support the Open Database Connectivity (ODBC) protocol) |
| comp., MS | ffynhonnell data wedi'i chysylltu | connected data source (A directory, database, file, or other data repository that is typically offsite and that needs to be accessed remotely) |