What is Aria dialog?
The dialog role is used to mark up an HTML based application dialog or window that separates content or UI from the rest of the web application or page. Dialogs are generally placed on top of the rest of the page content using an overlay.
What is Aria label HTML?
aria-label is an attribute defined in the WAI-ARIA(opens in a new tab) specification. This specification extends native HTML, allowing you to change the way an HTML element is "translated" into the accessibility tree. By default, an HTML element will use its text content as the accessibility label.
What does Aria modal do?
aria-modal is meant to indicate to screen readers that only content contained within a dialog with aria-modal="true" should be accessible to the user. This attribute is a pretty big deal and a very welcome addition to the specification.