/mdn2/en-US/docs/Web/Accessibility/ARIA/RolesRoles
alert_role alertdialog_role application_role article_role banner_role button_role cell_role checkbox_role columnheader_role combobox_role command_role comment_role complementary_role composite_role contentinfo_role definition_role dialog_role directory_role document_role feed_role figure_role form_role generic_role grid_role gridcell_role group_role heading_role img_role input_role landmark_role link_role list_role listbox_role listitem_role log_role main_role mark_role marquee_role math_role menu_role menubar_role menuitem_role menuitemcheckbox_role menuitemradio_role meter_role navigation_role none_role note_role option_role presentation_role progressbar_role radio_role radiogroup_role range_role region_role roletype_role row_role rowgroup_role rowheader_role scrollbar_role search_role searchbox_role section_role sectionhead_role select_role separator_role slider_role spinbutton_role status_role structural_roles structure_role suggestion_role switch_role tab_role table_role tablist_role tabpanel_role term_role textbox_role timer_role toolbar_role tooltip_role tree_role treegrid_role treeitem_role widget_role window_role