The rule for boolean is always an EQUAL rule.
The rule covers the XMP types "closed choice".
This rule applies for the type "Date".
This rule models a comparison of an Integer property with a constant argument.
This rule applies for the type "Text" (string length) and all arrays (number of array items).
The logical rule describes a conjunction (AND), disjunction (OR) or negation (NOT) of the child rules.
The rule covers the XMP types "open choice".
This rule represents a regular expression that has to match with the property value.
This rule is a comparison of a Real property with a constant argument.
A vocable is one item that is part of the OpenChoice and ClosedChoice rules.
Types of vocabulary
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