definition for publicly available vocabulary and regions

There where a few comments asking for a definition of controlled vocabulary on the SC for contextual information


Would this work:


publicly available vocabulary :  a  taxonomy,  ontology or controlled vocabulary that is available to the public on the internet such that each entry can be referenced in metadata, such as WAI-ARIA, wordnet and Schema.org

(note that if people wish to make there own, we allow that loophole)




there was also a request for regions  to be defined. Note that regions is used all over the aria specification without beoing defined and I would be a bit concerned to define it here. However if we need to to close this comment we can try the following 
(adapted from the definitions of landmarks which is a close enough concept




region: A perceivable section containing content that is relevant to a specific, author-specified purpose and sufficiently important that users may likely want to be able to navigate to the section easily and to have it listed in a summary of the page or may want it hidden for simplified versions. Any area that would require a landmark role would be a region.






All the best

Lisa Seeman

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