In addition to the full list of WAI-ARIA attributes in the specification, the visual presentation of that list in the WAI-ARIA taxonomy can be helpful in understanding the relationships between elements. This image can also help those who are visual learners to see how WAI-ARIA is organized. Click on the thumbnail below to open the full visual taxonomy.
Also, see the SVG version of the WAI-ARIA taxonomy
A UML-XMLversion and an RDF version are also available to import into systems that support those formats.