Distinguishing aria-live speech from UI accessible names

1. What does aria-live polite on a live region achieve?
2. What is aria-live attribute?
3. What is an accessible name?
4. What is aria-live assertive?

What does aria-live polite on a live region achieve?

aria-live="polite" indicates that the screen reader should wait until the user is idle before presenting updates to the user. This is the most commonly used value, as interrupting the user with "assertive" might interrupt their flow.

What is aria-live attribute?

The aria-live attribute makes it possible for an AT (such as a screen reader) to be notified when error messages are injected into a Live Region container. The content within the aria-live region is automatically read by the AT, without the AT having to focus on the place where the text is displayed.

What is an accessible name?

An accessible name is a short string, typically 1 to 3 words, that authors associate with an element to provide users of assistive technologies with a label for the element. For example, an input field might have an accessible name of "User ID" or a button might be named "Submit".

What is aria-live assertive?

assertive. Indicates that updates to the region have the highest priority and should be presented to the user immediately. off (default) Indicates that updates to the region should not be presented to the user unless the user is currently focused on that region. polite.