AMAZING VIDEO

The universe exists in 3D house with instances frequently regarded a fourth dimension. The cause that a 7D hologram has so many dimensions is that the hologram is captured from a massive range of positions that encompass the scene or concern of the hologram.
Each function is described in 3D space. Each role captures a range of viewing instructions in 2D space.
Two extra parameters are captured for every direction: picture depth and time. If you add these up you get 7 parameters, recognised as dimensions.