| Subject | English | Welsh |
| comp., MS | Author Marks | Marciau'r Awdur (A feature that identifies the author of unread new or changed content in a shared notebook) |
| comp., MS | check mark | tic (A small x or other sign that appears in the check box if the option represented by the box is selected) |
| comp., MS | closing curly quotation mark | dyfynnod cau cyrliog (The " character) |
| comp., MS | closing quotation mark | dyfynnod cau (The " character) |
| comp., MS | comment mark | marc sylw (A mark inserted in a document to show where a comment has been added) |
| comp., MS | diacritical mark | marc diacritig (A mark placed over, under, or through a character, usually to indicate a change in phonetic value from the unmarked state) |
| comp., MS | Mark as Final | Marcio'n Derfynol (An option that applies a read-only state to a document inside client applications) |
| comp., MS | opening curly quotation mark | dyfynnod agor cyrliog (The " character) |
| comp., MS | opening quotation mark | dyfynnod agor (The " character) |
| comp., MS | paragraph mark | nod paragraff (The nonprinting ¶ character that Microsoft Office Word inserts when you press ENTER to end a paragraph. The paragraph mark stores the formatting you apply to the paragraph) |
| comp., MS | question mark | gofynnod (The ? character, used as a punctuation mark or wildcard character) |
| comp., MS | question-mark pointer | pwyntydd marc cwestiwn (Use the question-mark pointer to get context-sensitive Help on toolbar buttons, dialog box options, tools in the toolbox, and other parts of the window) |
| comp., MS | revision mark | marc adolygu (A mark that shows where a deletion, insertion, or other editing change has been made in a document) |
| comp., MS | section mark | adrannod (The § character) |
| comp., MS | slash mark | marc slaes (The / character) |
| comp., MS | straight quotation mark | dyfynnod syth (" The " character.") |
| comp., MS | tick mark | tic (A small line of measurement, similar to a division on a ruler, that intersects an axis) |
| comp., MS | tick-mark label | label tic (A label that identifies the categories, values, or series in a chart) |
| comp., MS | tick mark label | label tic (A label that identifies the categories, values, or series in a chart) |
