Shake it, kind of lost

Hello, 

I have a pretty good feel with the rumble over kerbs and shifting but I am lost with road feel. With the sheer number of adjustments I am a bit overwhelmed as I am not really good with this stuff.

I have 5 shakers (one just for shifting) and am trying to get a good feel for the bumps and dips in the road. I don't really care about wheel slip and lock. Possible for a quick explanation of what road texture, vibration etc actually do?

Thank you