downloads

several types
music
video
images
games
files
programmes
any data can be downloaded if you know the right places to go
can be done legally
or illlegally
legally such as on sites like i-tunes on which a user can purchase various types of media
Extract from itunes website on the itunes shop
iTunes Store
Imagine an entertainment superstore open 24 hours a day, 7 days a week. One that delivers anything you want, instantly. Shop the iTunes Store for music, movies, TV shows, iPod games, audiobooks, free podcasts, and more. And you can give as good as you get with iTunes gifts

Illegally such as thepirate bay kazaa
there are programes which you can download and from there you can connect to a peer to peer file sharing interface this means that if someone has the track or film you want you can download from their computer.

When downloading people immediately think of music itunes and such peer to peer interfaces such as limewire
but downloading isnt just this
microsoft have a download website for updates patches and improved security
also many companies offer free downloads of their basic programes in a bid to get the user to buy a full version at a later date
such companies are AVG who do antivirsues
Zonealarm who do firewalls
Spybot search and destroy which searches your computer for malsoftware and viruses
these are perfectly safe and good programes they have an auto update so that your always protected and with the networks i have running i use these to keep mine and others computers safe