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Dialogs

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Dialogs contain text and UI controls. They retain focus until dismissed or a required action has been taken. Use dialogs sparingly because they are interruptive.

Some dialog types include:
Alerts are urgent interruptions that inform about a situation and require acknowledgement.
Simple menus display options for list items, whereas simple dialogs can provide details or actions about a list item.
Confirmation dialogs require users to explicitly confirm a choice.