Values of this type denote a single word.

=== Allowed values
Must be a non-empty sequence of characters, but without the space character.

All characters are mapped to their lower case values.

=== Query comparison
All comparisons are done case-insensitive, i.e. ""hell"" will be the prefix of ""Hello"".

=== Sorting
Sorting is done by comparing the [[String|00001006033500]] values.