Trending Twitter???

Seriously I'm still new at this social site Twitter.Well, after have been go through this sitem I realized that that has something differ from Facebook.That 's trending.What's "trending" mean??It's a food?drink?Well, nope. It's just a such that world happens behind your surrounding.Guess what?'I think Iknow whta to 'tweet' everyday I on the site.Well, I guess now, its better to I go tweet!!