12 years ago Doug Laney listed the 3 dimensions of Data management in a Gartner (then Meta Group) research: Volume, Variety, Velocity.
Nowadays, the evolution of Data Management also refers to Big Data. In order to describe it, Gartner added a C to the 3Vs: Volume, Variety, Velocity, Complexity.
Forrester added Variability. Is Variability like Complexity?