An Apple ID is the login you use for just about everything you do with Apple, including using iCloud to store your content, downloading apps from the App Store, and buying songs, movies, and TV shows from the iTunes Store.
An Apple ID is the email address you use as a login for just about everything you do with Apple, including using iCloud to store your content, buying songs from the iTunes Store, and downloading apps from the App Store.
An Apple ID is a user name you can use for everything you do with Apple. When you create an account for an Apple service, such as iCloud or the App Store, you create an Apple ID. The same Apple ID lets you access Apple’s other services. You don’t have to create a new account for each service—just use your Apple ID.
Please see the following URLs for more info: