Editing Create, read, update and delete (section)

=== User interface ===
{{original research|section=yes|date=November 2018}}

CRUD is also relevant at the user interface level of most applications. For example, in address book software, the basic storage unit is an individual ''contact entry''. As a bare minimum, the software must allow the user to:<ref>{{Cite book|last=Kann|first=Charles|url=https://eng.libretexts.org/@go/page/27566|title=Programming for the Web - From Soup to Nuts - Implementing a Complete GIS Web Page|publisher=Gettysburg College|pages=6.1 CRUD Interface}}</ref>
* ''Create'', or add new entries
* ''Read'', retrieve, search, or view existing entries
* ''Update'', or edit existing entries
* ''Delete'', deactivate, or remove existing entries

Because these operations are so fundamental, they are often [[Software documentation|documented]] and described under one comprehensive heading such as "contact management" or "document management" in general.{{citation needed|date=July 2021}}