Itunes is a music, movies and podcats software of Apple.
The software enables buying music.
You can also to put in the software the music, podcats and movies you have on your computer and use the software to play them.
The software enables searching podcats and to download them and hear them with her.
In the software, you can catalog the songs by categouries og music type and your favorites.
In iTunes you can create playlists of your own.
The software writes you what the legnth of the music/movies/podcats of you and tells you what they worth.
The software use by millions in the world.
You will get with the software the player QuickTime.
In the software you can control the settings of the music and the movies.