[validation context] - The element ancestor that has a global element declaration. This can be the current element.

[validity] - One of 'valid', 'invalid', or 'notKnown'.

[validation attempted] - One of 'full' or 'none'.

[attribute declaration] - The schema attribute declaration used to validate this element.

[schema specified] - One of 'infoset' or 'schema'.

And there is more here too!