Editing ITU-T (section)

=== Recommendation categorization ===
ITU-T assigns each Recommendation a name based on the series and Recommendation number. The name starts with the letter of the series the Recommendation belongs to. Each series encompasses a broad category of Recommendations, such as "H-Series Recommendations: Audiovisual and multimedia systems". The series letter is followed by a period and the Recommendation number, which uniquely identifies the Recommendation within the series. Often, a range of related Recommendations are further grouped within the series and given adjacent numbers, such as "H.200-H.499: Infrastructure of audiovisual services" or "H.260-H.279: Coding of moving video".<ref>{{Cite web |title=ITU-T Recommendation series structure |url=https://www.itu.int:443/en/ITU-T/publications/Pages/structure.aspx |access-date=2022-11-01 |website=ITU |language=en-US}}</ref> Many numbers are "skipped" to give room for future Recommendations to be adjacent to related Recommendations. Recommendations can be revised or "superseded" and keep their existing Recommendation number.