The technical meaning of RGB is red, green, blue

The technical meaning of VR  is  virtual reality

The technical meaning of VRMMO is  virtual reality massive multiplayer online

The technical meaning of FPS  is  frames per second

The technical meaning of PPI  is pixels per inch

The technical meaning of GPU  is  graphics processing unit

The technical meaning of PSVR  is  PlayStation VR

The technical meaning of HMD  is  head-mounted display

The technical meaning of HPU  is  holographic processing unit

The technical meaning of IMU  is  inertial measuring unit