Apple ID: The username and password you use to access Apple services. You need to sign in with your Apple ID to download apps from the App Store or to buy songs from the iTunes Store.
The App Store: The store you access to download apps or games on your iPhone, iPad or iPod touch.
The iTunes Store: The store you access to download music or movies on your iPhone, iPad or iPod touch.
iTunes Gift Cards: Cards are used to purchase paid apps from the iTunes Store, App Store, iBooks Store, or Mac App Store. Vodafone Qatar doesn’t sell Gift Cards but if you get an iTunes Gift Card from a friend, you can redeem it and buy what you want from the iTunes store.