Whole Bean - This is actually a bean out of the roaster, it will need to be grounded with a grinder found at most stores that carry coffee makers.

Coarse - A coarse ground coffee is primarily used for the press pot, which is also known as the French press.

Medium - A medium ground coffee is what is required by drip pots and vac-pot brewers. There are different degrees of medium depending upon filter type.

Fine - Espresso requires a fine grind in order for the extraction to be perfect.
Many people likes this grind for a regular coffee maker, but it can leave sediments at the bottom of the coffee pod.

Extra Fine - Can be used in some espresso machines.

Super Fine - It is use for the Turkish coffee maker (ibrik).