More dense = more information, higher complexity, more organized, a deeper magnification into the fractal landscape. Think conscience increasing in depth. The basic building block is light (structured energy/vibration, not what we consider to be photons). I think this is also just a limitation of the English language trying to describe a new concept (well for our Western Christian culture anyways)
Mass is an illusion anyways. It's all 'light'.
Mass is an illusion anyways. It's all 'light'.