| Subject | Welsh | English |
| comp., MS | Gosod Llofnod | Signature Setup (The title for a dialog that specifies how a signature line should be signed, including instructions for signers) |
| comp., MS | llinell llofnod | signature line (A control that allows users to digitally sign a form or document) |
| comp., MS | llofnod digidol | digital signature (Data that binds a sender's identity to the information being sent. A digital signature may be bundled with any message, file, or other digitally encoded information, or transmitted separately. Digital signatures are used in public key environments and provide authentication and integrity services) |