| Subject | English | Welsh |
| comp., MS | active sheet | dalen weithredol (The sheet that you're working on in a workbook. The name on the tab of the active sheet is bold) |
| comp., MS | chart sheet | dalen siart (A sheet in a workbook that contains only a chart) |
| comp., MS | linked style sheet | dalen diwyg gysylltiedig (A type of cascading style sheet that exists in a separate file and is referenced throughout one or more Web pages) |
| comp., MS | property sheet | dalen priodweddau (A window used to view or modify the properties of various objects such as tables, queries, fields, forms, reports, data access pages, and controls) |
| comp., MS | published sheet | dalen a gyhoeddwyd (A sheet that is published) |
| comp., MS | sheet tab | tab dalen (A control that is used to select a sheet within a workbook) |
| comp., MS | sheet view | gwedd dalen (A collection of display settings, such as which cells are shown, and the zoom level for a sheet window) |
| comp., MS | style sheet | dalen diwyg (A text file containing code to apply semantics such as page layout specifications to published content) |