>what do people mean with those names they use to describe it's taste: "dry", "body", "mature", "grassy", etc.

I always thought it was all pretentious claptrap, until a bar owner gave me a glass of 'wine from where I'm from". Wow! My description? "Dry, full-bodied, heavy", then, there where the _several aftertastes is how I'd describe it, and i later bought several bottles. As a dark-beer drinker i was knocked out by this stuff, and did (finally) understand how some descriptions can be applied. I've tried a few different wines in a few different bars since, and the vast majority have been a very easy "light, fruity....and shite".