Files: wp-admin/includes/class-wp-screen.php

Render the meta boxes preferences.

Render the list table columns preferences.

Render the option for number of columns on the page

Render the items per page option

Render the list table view mode preferences.

Render screen reader text.

Remove all the accessible hidden headings and text for the screen.

Render the screen’s help section.

Render the screen options tab.

Gets the arguments for an option for the screen.

Gets the help tabs registered for the screen.

Gets the arguments for a help tab.

Add a help tab to the contextual help for the screen.

Removes a help tab from the contextual help for the screen.