Small booths are set up all around Epcot WS. Each represents a country, not limited to the countries in WS (there was a Russia booth last year). Two or three entrees are available and some offer local beer and/or wine as well.
You'll get a small plate with a small portion for $3 or $4. It's not a bargain but it is a lot of fun to work your way around the world until you get full.
Some menus change from year to year and some seem to stay the same. If they're offered again this year we can recommend Tacos al Carbon at Mexico, Dim Sum at China, Chicken Satay near China (Thailand booth, maybe?) and Jerk Chicken at the Caribbean booth.
The Tapestry of Nations parade causes some problems moving between booths, but you can adjust for that.
There's also a big dinner held at the Odyssey with wine tastings and multiple courses. We've never done it.