Your library contains everything youve bought from the iTunes Store or imported from CD. Music, movies, TV shows, podcasts, audiobooks, iPod Games, and streaming radio. As your collection grows, you can keep multiple libraries even store them across more than one hard drive.
On Apple.com's site, it says the above, but I have no clue how to access this "multiple libraries" feature. I'm interested because most of my music is on my server, but I keep some on my laptop.
Any clue?