Cooking with tofu (20 characters)?

If you buy a package of tofu from the store, the kind where it says drained and pressed, it is ready to use? Like, if you open up the package, are there pieces of tofu (or a "block" you can cut into pieces) that you just pick up and use like a piece of raw meat? Like, you could bread it then fry it like a piece of chicken, or toss it in a skillet with onions and broth like beef for a stew?