ARIA: composite role

The 
composite abstract role indicates a widget that may contain navigable descendants or owned children.
WARNING:
The 
composite role is an abstract role. It is included here for completeness of documentation. It should not be used by web authors.
Description
Composite is an abstract role used for the ontology. Don't use this role in content. Instead, use the composite subclasses of 
grid, 
select, 
spinbutton, and 
tablist.
Specifications
See also
ARIA: 
widget role
ARIA: 
grid role
ARIA: 
select role
ARIA: 
spinbutton role
ARIA: 
tablist role