This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
The amount of detail accessible and needed to do something. For example, When picard says "Go to Rigelan 4", that is course grained control. If he said, "turn the ship 195 degrees port, lift 15 degrees, begin accelarating at 200 g forces, achieve a velocity of warp 7, begin decreasing velocity when we are withing 1 light year, ..." and so on, that would be fine-grained control. Course gained control from the client side decreases network traffic, and is a good thing. The client side app generally doesn't care how things get done, but just that they get done. Skip
If you love me, you will visit docs.opensimplatform.org
(FYI, Getting it tattooed on is a bit much.)