The amount and kind of insoluble varies from one coffee to another. Body also reflects the type of soil in which the beans were grown. Light coffees have a higher acidity, are light on the palette, and have higher notes. Medium coffees are a complex, spicy mixture of both ends of acidity. They have high notes with an earthy finish.
Full coffees have low, earthy base notes with an aftertaste somewhat like dark chocolate.
Roast is the type of process used to prepare the beans. Full City beans are roasted to a dark brown with just a hint of oil on the surface. This has a very European taste. Vienna is the lightest dark roast. Beans are roasted to a dark brown color with just a hint of oil on the surface of the bean.