graphics questions

[-Paul-]

ok i just bought a nvidia e-Geforce 6600 gt and it has a bunch of technical information on the back please explain some of it

1. it says it has "64-bit texture filtering and blending" what is this

2. it says it has "128-bit studio color" what is this

3. it says it has "64-phase video scaler" what is this

4. it says it has " shader model 3.0 support" what is this