shader clock ekai memory clock eka wedi unama games wala graphics and frames per second wedi wenawa.memory bandwidth eken game eke bit rate eka wedi wenawa.e kiyanne picture quality eka.
they have to do with directx and how it functions and how particular chip sets process this information in order to work in order to bring about a programs visual effects to your monitor general the higher the number the better off you are however individual chip set manufacturers do this differently,(ATI NVIDIA) core clock is your gpu's speed in mhz fill rate is how fast the vertical and horizontal refresh rates are set, and the memory clock is how fast your video card can deliver the information to the gpu and process it usualy needs to be faster than the gpu clock speed since it brings the info and puts it out
