vacuum hose intake

Hey all, after poking under the hood a bit I noticed that either a hose is missing or was never there to begin with. I've found a couple pictures on the web that show something attached and other pictures without it. A little more detail on my car: 2002 9-5 2.3t linear, I've almost got 250K...

Where are these vacuum lines supposed to go to? There are a lot of them, and I would like to have all of them to go to the right places! Here is a picture: There are three vacuum lines on the intake, then one more on the end of the intake. Then there is that large hose on the intake that goes...