It sounds like you are referring to the work or perhaps the Human Development Index (HDI) generally, and found an article about it helpful.
Scammers frequently append "work" to nonsense strings to appear like a job niche (e.g., "google sns work," "amazon hd work"). This lends false legitimacy. hd hu4u work
If you are asking about budget 4K camcorders often labeled as "HD" or "4K HD": Performance Vivitar 4K Digital Video Camera It sounds like you are referring to the
: Offers various resolutions, including HD and 1080p. How HDHub4u Works "google sns work