English: SGML
Welsh: Iaith Arwyddnodi Gyffredinol Safonol
Subject: Cyffredinol
English definition: Standard General Markup Language. A system, accepted as an international standard (ISO8879), for the creation, management, storage, and delivery of works. HTML and XML are subsets, popularised by the Web.
Welsh definition: System, a dderbynnir fel safon ryngwladol (ISO8879), ar gyfer creu, rheoli, storio, a chyflenwi gweithiau. Mae HTML ac XML yn is-setiau, a ddaeth yn boblogaidd drwy'r We.