Address book

Database used for storing contact details

An address book or a name and address book is a book, or a database used for storing entries, called contacts. Each contact entry usually consists of a few standard fields. Most such systems store the details in alphabetical order of people's names, although in paper-based address books entries can easily end up out of order as the owner inserts details of more individuals or as people move. Many address books use small ring binders that allow adding, removing, and shuffling of pages to make room.

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