For the lingo, you just gotta remember they come in Tall, Grande, and Venti. Venti is a waste of money if you aren't too sure about how much you'll like what you picked out. After you pay at the register, you go down to the other end where's there's a rounded counter where drinks come out. The drinks on the site are usually what's in store unless you see something related to a holiday like Christmas designs on the cup shown in the drink pics.