All Evaluation Meta Functions

Attribute Function (the attribute of a variable in the dictionary)
Cloaked Function (exclude occurrences from contributing towards a variable's relevance)
CollectValues Function (collect all known values into a list)
Committed Function (a variable's value is committed)
Deferred Function (a variable's value is deferred)
Definite Function (a value is known and true and definitely relevant)
Known Function (a value is known)
KnownTrue Function (a value is known and true)
ThisLocale Function (returns the locale currently active in the document)
Sure Function (a variable's value is known and sure)